19818919890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23251}}^1$

素因数の和:23326

約数の個数: 256

約数和(自身を含む): 67501486080

約数和(自身を除く): 47682566190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 41, 42, 45, 54, 55, 63, 66, 70, 77, 82, 90, 99, 105, 110, 123, 126, 135, 154, 165, 189, 198, 205, 210, 231, 246, 270, 287, 297, 315, 330, 369, 378, 385, 410, 451, 462, 495, 574, 594, 615, 630, 693, 738, 770, 861, 902, 945, 990, 1107, 1155, 1230, 1353, 1386, 1435, 1485, 1722, 1845, 1890, 2079, 2214, 2255, 2310, 2583, 2706, 2870, 2970, 3157, 3465, 3690, 4059, 4158, 4305, 4510, 5166, 5535, 6314, 6765, 6930, 7749, 8118, 8610, 9471, 10395, 11070, 12177, 12915, 13530, 15498, 15785, 18942, 20295, 20790, 23251, 24354, 25830, 28413, 31570, 38745, 40590, 46502, 47355, 56826, 60885, 69753, 77490, 85239, 94710, 116255, 121770, 139506, 142065, 162757, 170478, 209259, 232510, 255761, 284130, 325514, 348765, 418518, 426195, 488271, 511522, 627777, 697530, 767283, 813785, 852390, 953291, 976542, 1046295, 1255554, 1278805, 1464813, 1534566, 1627570, 1790327, 1906582, 2092590, 2301849, 2441355, 2557610, 2859873, 2929626, 3138885, 3580654, 3836415, 4394439, 4603698, 4766455, 4882710, 5370981, 5719746, 6277770, 6673037, 6905547, 7324065, 7672830, 8579619, 8788878, 8951635, 9532910, 10486201, 10741962, 11509245, 13346074, 13811094, 14299365, 14648130, 16112943, 17159238, 17903270, 20019111, 20972402, 21972195, 23018490, 25738857, 26854905, 28598730, 31458603, 32225886, 33365185, 34527735, 40038222, 42898095, 43944390, 48338829, 51477714, 52431005, 53709810, 60057333, 62917206, 66730370, 69055470, 73403407, 80564715, 85796190, 94375809, 96677658, 100095555, 104862010, 120114666, 128694285, 146806814, 157293015, 161129430, 180171999, 188751618, 200191110, 220210221, 241694145, 257388570, 283127427, 300286665, 314586030, 360343998, 367017035, 440420442, 471879045, 483388290, 566254854, 600573330, 660630663, 734034070, 900859995, 943758090, 1101051105, 1321261326, 1415637135, 1801719990, 1981891989, 2202102210, 2831274270, 3303153315, 3963783978, 6606306630, 9909459945, 19818919890]

約数ペア:

[(1, 19818919890), (2, 9909459945), (3, 6606306630), (5, 3963783978), (6, 3303153315), (7, 2831274270), (9, 2202102210), (10, 1981891989), (11, 1801719990), (14, 1415637135), (15, 1321261326), (18, 1101051105), (21, 943758090), (22, 900859995), (27, 734034070), (30, 660630663), (33, 600573330), (35, 566254854), (41, 483388290), (42, 471879045), (45, 440420442), (54, 367017035), (55, 360343998), (63, 314586030), (66, 300286665), (70, 283127427), (77, 257388570), (82, 241694145), (90, 220210221), (99, 200191110), (105, 188751618), (110, 180171999), (123, 161129430), (126, 157293015), (135, 146806814), (154, 128694285), (165, 120114666), (189, 104862010), (198, 100095555), (205, 96677658), (210, 94375809), (231, 85796190), (246, 80564715), (270, 73403407), (287, 69055470), (297, 66730370), (315, 62917206), (330, 60057333), (369, 53709810), (378, 52431005), (385, 51477714), (410, 48338829), (451, 43944390), (462, 42898095), (495, 40038222), (574, 34527735), (594, 33365185), (615, 32225886), (630, 31458603), (693, 28598730), (738, 26854905), (770, 25738857), (861, 23018490), (902, 21972195), (945, 20972402), (990, 20019111), (1107, 17903270), (1155, 17159238), (1230, 16112943), (1353, 14648130), (1386, 14299365), (1435, 13811094), (1485, 13346074), (1722, 11509245), (1845, 10741962), (1890, 10486201), (2079, 9532910), (2214, 8951635), (2255, 8788878), (2310, 8579619), (2583, 7672830), (2706, 7324065), (2870, 6905547), (2970, 6673037), (3157, 6277770), (3465, 5719746), (3690, 5370981), (4059, 4882710), (4158, 4766455), (4305, 4603698), (4510, 4394439), (5166, 3836415), (5535, 3580654), (6314, 3138885), (6765, 2929626), (6930, 2859873), (7749, 2557610), (8118, 2441355), (8610, 2301849), (9471, 2092590), (10395, 1906582), (11070, 1790327), (12177, 1627570), (12915, 1534566), (13530, 1464813), (15498, 1278805), (15785, 1255554), (18942, 1046295), (20295, 976542), (20790, 953291), (23251, 852390), (24354, 813785), (25830, 767283), (28413, 697530), (31570, 627777), (38745, 511522), (40590, 488271), (46502, 426195), (47355, 418518), (56826, 348765), (60885, 325514), (69753, 284130), (77490, 255761), (85239, 232510), (94710, 209259), (116255, 170478), (121770, 162757), (139506, 142065)]