19581360432

素因数分解:

$2^4\times 3^1\times {\mathrm{1987}}^1\times {\mathrm{205307}}^1$

素因数の和:207305

約数の個数: 40

約数和(自身を含む): 50610885696

約数和(自身を除く): 31029525264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1987, 3974, 5961, 7948, 11922, 15896, 23844, 31792, 47688, 95376, 205307, 410614, 615921, 821228, 1231842, 1642456, 2463684, 3284912, 4927368, 9854736, 407945009, 815890018, 1223835027, 1631780036, 2447670054, 3263560072, 4895340108, 6527120144, 9790680216, 19581360432]

約数ペア:

[(1, 19581360432), (2, 9790680216), (3, 6527120144), (4, 4895340108), (6, 3263560072), (8, 2447670054), (12, 1631780036), (16, 1223835027), (24, 815890018), (48, 407945009), (1987, 9854736), (3974, 4927368), (5961, 3284912), (7948, 2463684), (11922, 1642456), (15896, 1231842), (23844, 821228), (31792, 615921), (47688, 410614), (95376, 205307)]