19854690984

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{461}}^1\times {\mathrm{1657}}^1$

素因数の和:2168

約数の個数: 144

約数和(自身を含む): 56909672820

約数和(自身を除く): 37054981836

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 461, 684, 722, 922, 1083, 1368, 1383, 1444, 1657, 1844, 2166, 2766, 2888, 3249, 3314, 3688, 4149, 4332, 4971, 5532, 6498, 6628, 8298, 8664, 8759, 9942, 11064, 12996, 13256, 14913, 16596, 17518, 19884, 25992, 26277, 29826, 31483, 33192, 35036, 39768, 52554, 59652, 62966, 70072, 78831, 94449, 105108, 119304, 125932, 157662, 166421, 188898, 210216, 251864, 283347, 315324, 332842, 377796, 499263, 566694, 598177, 630648, 665684, 755592, 763877, 998526, 1133388, 1196354, 1331368, 1497789, 1527754, 1794531, 1997052, 2266776, 2291631, 2392708, 2995578, 3055508, 3589062, 3994104, 4583262, 4785416, 5383593, 5991156, 6111016, 6874893, 7178124, 9166524, 10767186, 11982312, 13749786, 14356248, 14513663, 18333048, 21534372, 27499572, 29027326, 43068744, 43540989, 54999144, 58054652, 87081978, 116109304, 130622967, 174163956, 261245934, 275759597, 348327912, 522491868, 551519194, 827278791, 1044983736, 1103038388, 1654557582, 2206076776, 2481836373, 3309115164, 4963672746, 6618230328, 9927345492, 19854690984]

約数ペア:

[(1, 19854690984), (2, 9927345492), (3, 6618230328), (4, 4963672746), (6, 3309115164), (8, 2481836373), (9, 2206076776), (12, 1654557582), (18, 1103038388), (19, 1044983736), (24, 827278791), (36, 551519194), (38, 522491868), (57, 348327912), (72, 275759597), (76, 261245934), (114, 174163956), (152, 130622967), (171, 116109304), (228, 87081978), (342, 58054652), (361, 54999144), (456, 43540989), (461, 43068744), (684, 29027326), (722, 27499572), (922, 21534372), (1083, 18333048), (1368, 14513663), (1383, 14356248), (1444, 13749786), (1657, 11982312), (1844, 10767186), (2166, 9166524), (2766, 7178124), (2888, 6874893), (3249, 6111016), (3314, 5991156), (3688, 5383593), (4149, 4785416), (4332, 4583262), (4971, 3994104), (5532, 3589062), (6498, 3055508), (6628, 2995578), (8298, 2392708), (8664, 2291631), (8759, 2266776), (9942, 1997052), (11064, 1794531), (12996, 1527754), (13256, 1497789), (14913, 1331368), (16596, 1196354), (17518, 1133388), (19884, 998526), (25992, 763877), (26277, 755592), (29826, 665684), (31483, 630648), (33192, 598177), (35036, 566694), (39768, 499263), (52554, 377796), (59652, 332842), (62966, 315324), (70072, 283347), (78831, 251864), (94449, 210216), (105108, 188898), (119304, 166421), (125932, 157662)]