18220901200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2397487}}^1$

素因数の和:2397524

約数の個数: 60

約数和(自身を含む): 46079719360

約数和(自身を除く): 27858818160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 2397487, 4794974, 9589948, 11987435, 19179896, 23974870, 38359792, 45552253, 47949740, 59937175, 91104506, 95899480, 119874350, 182209012, 191798960, 227761265, 239748700, 364418024, 455522530, 479497400, 728836048, 911045060, 958994800, 1138806325, 1822090120, 2277612650, 3644180240, 4555225300, 9110450600, 18220901200]

約数ペア:

[(1, 18220901200), (2, 9110450600), (4, 4555225300), (5, 3644180240), (8, 2277612650), (10, 1822090120), (16, 1138806325), (19, 958994800), (20, 911045060), (25, 728836048), (38, 479497400), (40, 455522530), (50, 364418024), (76, 239748700), (80, 227761265), (95, 191798960), (100, 182209012), (152, 119874350), (190, 95899480), (200, 91104506), (304, 59937175), (380, 47949740), (400, 45552253), (475, 38359792), (760, 23974870), (950, 19179896), (1520, 11987435), (1900, 9589948), (3800, 4794974), (7600, 2397487)]