20181891290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{677}}^1$

素因数の和:1124

約数の個数: 96

約数和(自身を含む): 40669195392

約数和(自身を除く): 20487304102

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 347, 355, 605, 677, 694, 710, 781, 1210, 1354, 1562, 1735, 3385, 3470, 3817, 3905, 6770, 7447, 7634, 7810, 8591, 14894, 17182, 19085, 24637, 37235, 38170, 41987, 42955, 48067, 49274, 74470, 81917, 83974, 85910, 96134, 123185, 163834, 209935, 234919, 240335, 246370, 271007, 409585, 419870, 469838, 480670, 528737, 542014, 819170, 1057474, 1174595, 1355035, 2349190, 2584109, 2643685, 2710070, 2981077, 5168218, 5287370, 5816107, 5962154, 11632214, 12920545, 14905385, 16679249, 25841090, 28425199, 29080535, 29810770, 33358498, 56850398, 58161070, 83396245, 142125995, 166792490, 183471739, 284251990, 366943478, 917358695, 1834717390, 2018189129, 4036378258, 10090945645, 20181891290]

約数ペア:

[(1, 20181891290), (2, 10090945645), (5, 4036378258), (10, 2018189129), (11, 1834717390), (22, 917358695), (55, 366943478), (71, 284251990), (110, 183471739), (121, 166792490), (142, 142125995), (242, 83396245), (347, 58161070), (355, 56850398), (605, 33358498), (677, 29810770), (694, 29080535), (710, 28425199), (781, 25841090), (1210, 16679249), (1354, 14905385), (1562, 12920545), (1735, 11632214), (3385, 5962154), (3470, 5816107), (3817, 5287370), (3905, 5168218), (6770, 2981077), (7447, 2710070), (7634, 2643685), (7810, 2584109), (8591, 2349190), (14894, 1355035), (17182, 1174595), (19085, 1057474), (24637, 819170), (37235, 542014), (38170, 528737), (41987, 480670), (42955, 469838), (48067, 419870), (49274, 409585), (74470, 271007), (81917, 246370), (83974, 240335), (85910, 234919), (96134, 209935), (123185, 163834)]