19979190

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:96

約数の個数: 192

約数和(自身を含む): 68636160

約数和(自身を除く): 48656970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 31, 33, 35, 42, 45, 54, 55, 62, 63, 66, 70, 77, 90, 93, 99, 105, 110, 126, 135, 154, 155, 165, 186, 189, 198, 210, 217, 231, 270, 279, 297, 310, 315, 330, 341, 378, 385, 434, 462, 465, 495, 558, 594, 630, 651, 682, 693, 770, 837, 930, 945, 961, 990, 1023, 1085, 1155, 1302, 1386, 1395, 1485, 1674, 1705, 1890, 1922, 1953, 2046, 2079, 2170, 2310, 2387, 2790, 2883, 2970, 3069, 3255, 3410, 3465, 3906, 4158, 4185, 4774, 4805, 5115, 5766, 5859, 6138, 6510, 6727, 6930, 7161, 8370, 8649, 9207, 9610, 9765, 10230, 10395, 10571, 11718, 11935, 13454, 14322, 14415, 15345, 17298, 18414, 19530, 20181, 20790, 21142, 21483, 23870, 25947, 28830, 29295, 30690, 31713, 33635, 35805, 40362, 42966, 43245, 46035, 51894, 52855, 58590, 60543, 63426, 64449, 67270, 71610, 73997, 86490, 92070, 95139, 100905, 105710, 107415, 121086, 128898, 129735, 147994, 158565, 181629, 190278, 201810, 214830, 221991, 259470, 285417, 302715, 317130, 322245, 363258, 369985, 443982, 475695, 570834, 605430, 644490, 665973, 739970, 908145, 951390, 1109955, 1331946, 1427085, 1816290, 1997919, 2219910, 2854170, 3329865, 3995838, 6659730, 9989595, 19979190]

約数ペア:

[(1, 19979190), (2, 9989595), (3, 6659730), (5, 3995838), (6, 3329865), (7, 2854170), (9, 2219910), (10, 1997919), (11, 1816290), (14, 1427085), (15, 1331946), (18, 1109955), (21, 951390), (22, 908145), (27, 739970), (30, 665973), (31, 644490), (33, 605430), (35, 570834), (42, 475695), (45, 443982), (54, 369985), (55, 363258), (62, 322245), (63, 317130), (66, 302715), (70, 285417), (77, 259470), (90, 221991), (93, 214830), (99, 201810), (105, 190278), (110, 181629), (126, 158565), (135, 147994), (154, 129735), (155, 128898), (165, 121086), (186, 107415), (189, 105710), (198, 100905), (210, 95139), (217, 92070), (231, 86490), (270, 73997), (279, 71610), (297, 67270), (310, 64449), (315, 63426), (330, 60543), (341, 58590), (378, 52855), (385, 51894), (434, 46035), (462, 43245), (465, 42966), (495, 40362), (558, 35805), (594, 33635), (630, 31713), (651, 30690), (682, 29295), (693, 28830), (770, 25947), (837, 23870), (930, 21483), (945, 21142), (961, 20790), (990, 20181), (1023, 19530), (1085, 18414), (1155, 17298), (1302, 15345), (1386, 14415), (1395, 14322), (1485, 13454), (1674, 11935), (1705, 11718), (1890, 10571), (1922, 10395), (1953, 10230), (2046, 9765), (2079, 9610), (2170, 9207), (2310, 8649), (2387, 8370), (2790, 7161), (2883, 6930), (2970, 6727), (3069, 6510), (3255, 6138), (3410, 5859), (3465, 5766), (3906, 5115), (4158, 4805), (4185, 4774)]