17939367940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{1459}}^1$

素因数の和:1650

約数の個数: 144

約数和(自身を含む): 43174676160

約数和(自身を除く): 25235308220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 131, 190, 247, 260, 262, 361, 380, 494, 524, 655, 722, 988, 1235, 1310, 1444, 1459, 1703, 1805, 2470, 2489, 2620, 2918, 3406, 3610, 4693, 4940, 4978, 5836, 6812, 7220, 7295, 8515, 9386, 9956, 12445, 14590, 17030, 18772, 18967, 23465, 24890, 27721, 29180, 32357, 34060, 37934, 46930, 47291, 49780, 55442, 64714, 75868, 93860, 94582, 94835, 110884, 129428, 138605, 161785, 189164, 189670, 191129, 236455, 277210, 323570, 360373, 379340, 382258, 472910, 526699, 554420, 614783, 647140, 720746, 764516, 945820, 955645, 1053398, 1229566, 1441492, 1801865, 1911290, 2106796, 2459132, 2484677, 2633495, 3073915, 3603730, 3631451, 3822580, 4969354, 5266990, 6147830, 6847087, 7207460, 7262902, 9938708, 10533980, 12295660, 12423385, 13694174, 14525804, 18157255, 24846770, 27388348, 34235435, 36314510, 47208863, 49693540, 68470870, 68997569, 72629020, 94417726, 136941740, 137995138, 188835452, 236044315, 275990276, 344987845, 472088630, 689975690, 896968397, 944177260, 1379951380, 1793936794, 3587873588, 4484841985, 8969683970, 17939367940]

約数ペア:

[(1, 17939367940), (2, 8969683970), (4, 4484841985), (5, 3587873588), (10, 1793936794), (13, 1379951380), (19, 944177260), (20, 896968397), (26, 689975690), (38, 472088630), (52, 344987845), (65, 275990276), (76, 236044315), (95, 188835452), (130, 137995138), (131, 136941740), (190, 94417726), (247, 72629020), (260, 68997569), (262, 68470870), (361, 49693540), (380, 47208863), (494, 36314510), (524, 34235435), (655, 27388348), (722, 24846770), (988, 18157255), (1235, 14525804), (1310, 13694174), (1444, 12423385), (1459, 12295660), (1703, 10533980), (1805, 9938708), (2470, 7262902), (2489, 7207460), (2620, 6847087), (2918, 6147830), (3406, 5266990), (3610, 4969354), (4693, 3822580), (4940, 3631451), (4978, 3603730), (5836, 3073915), (6812, 2633495), (7220, 2484677), (7295, 2459132), (8515, 2106796), (9386, 1911290), (9956, 1801865), (12445, 1441492), (14590, 1229566), (17030, 1053398), (18772, 955645), (18967, 945820), (23465, 764516), (24890, 720746), (27721, 647140), (29180, 614783), (32357, 554420), (34060, 526699), (37934, 472910), (46930, 382258), (47291, 379340), (49780, 360373), (55442, 323570), (64714, 277210), (75868, 236455), (93860, 191129), (94582, 189670), (94835, 189164), (110884, 161785), (129428, 138605)]