18213419950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1\times {\mathrm{2029}}^1$

素因数の和:2930

約数の個数: 96

約数和(自身を含む): 38966256000

約数和(自身を除く): 20752836050

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 859, 950, 1045, 1718, 2029, 2090, 4058, 4295, 5225, 8590, 9449, 10145, 10450, 16321, 18898, 20290, 21475, 22319, 32642, 38551, 42950, 44638, 47245, 50725, 77102, 81605, 94490, 101450, 111595, 163210, 179531, 192755, 223190, 236225, 359062, 385510, 408025, 424061, 472450, 557975, 816050, 848122, 897655, 963775, 1115950, 1742911, 1795310, 1927550, 2120305, 3485822, 4240610, 4488275, 8714555, 8976550, 10601525, 17429110, 19172021, 21203050, 33115309, 38344042, 43572775, 66230618, 87145550, 95860105, 165576545, 191720210, 331153090, 364268399, 479300525, 728536798, 827882725, 958601050, 1655765450, 1821341995, 3642683990, 9106709975, 18213419950]

約数ペア:

[(1, 18213419950), (2, 9106709975), (5, 3642683990), (10, 1821341995), (11, 1655765450), (19, 958601050), (22, 827882725), (25, 728536798), (38, 479300525), (50, 364268399), (55, 331153090), (95, 191720210), (110, 165576545), (190, 95860105), (209, 87145550), (275, 66230618), (418, 43572775), (475, 38344042), (550, 33115309), (859, 21203050), (950, 19172021), (1045, 17429110), (1718, 10601525), (2029, 8976550), (2090, 8714555), (4058, 4488275), (4295, 4240610), (5225, 3485822), (8590, 2120305), (9449, 1927550), (10145, 1795310), (10450, 1742911), (16321, 1115950), (18898, 963775), (20290, 897655), (21475, 848122), (22319, 816050), (32642, 557975), (38551, 472450), (42950, 424061), (44638, 408025), (47245, 385510), (50725, 359062), (77102, 236225), (81605, 223190), (94490, 192755), (101450, 179531), (111595, 163210)]