19688130

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:981

約数の個数: 128

約数和(自身を含む): 65525760

約数和(自身を除く): 45837630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 135, 154, 165, 189, 198, 210, 231, 270, 297, 315, 330, 378, 385, 462, 495, 594, 630, 693, 770, 945, 947, 990, 1155, 1386, 1485, 1890, 1894, 2079, 2310, 2841, 2970, 3465, 4158, 4735, 5682, 6629, 6930, 8523, 9470, 10395, 10417, 13258, 14205, 17046, 19887, 20790, 20834, 25569, 28410, 31251, 33145, 39774, 42615, 51138, 52085, 59661, 62502, 66290, 72919, 85230, 93753, 99435, 104170, 119322, 127845, 145838, 156255, 178983, 187506, 198870, 218757, 255690, 281259, 298305, 312510, 357966, 364595, 437514, 468765, 562518, 596610, 656271, 729190, 894915, 937530, 1093785, 1312542, 1406295, 1789830, 1968813, 2187570, 2812590, 3281355, 3937626, 6562710, 9844065, 19688130]

約数ペア:

[(1, 19688130), (2, 9844065), (3, 6562710), (5, 3937626), (6, 3281355), (7, 2812590), (9, 2187570), (10, 1968813), (11, 1789830), (14, 1406295), (15, 1312542), (18, 1093785), (21, 937530), (22, 894915), (27, 729190), (30, 656271), (33, 596610), (35, 562518), (42, 468765), (45, 437514), (54, 364595), (55, 357966), (63, 312510), (66, 298305), (70, 281259), (77, 255690), (90, 218757), (99, 198870), (105, 187506), (110, 178983), (126, 156255), (135, 145838), (154, 127845), (165, 119322), (189, 104170), (198, 99435), (210, 93753), (231, 85230), (270, 72919), (297, 66290), (315, 62502), (330, 59661), (378, 52085), (385, 51138), (462, 42615), (495, 39774), (594, 33145), (630, 31251), (693, 28410), (770, 25569), (945, 20834), (947, 20790), (990, 19887), (1155, 17046), (1386, 14205), (1485, 13258), (1890, 10417), (1894, 10395), (2079, 9470), (2310, 8523), (2841, 6930), (2970, 6629), (3465, 5682), (4158, 4735)]