19638762440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2625503}}^1$

素因数の和:2625542

約数の個数: 64

約数和(自身を含む): 51039797760

約数和(自身を除く): 31401035320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 2625503, 5251006, 10502012, 13127515, 21004024, 26255030, 28880533, 44633551, 52510060, 57761066, 89267102, 105020120, 115522132, 144402665, 178534204, 223167755, 231044264, 288805330, 357068408, 446335510, 490969061, 577610660, 892671020, 981938122, 1155221320, 1785342040, 1963876244, 2454845305, 3927752488, 4909690610, 9819381220, 19638762440]

約数ペア:

[(1, 19638762440), (2, 9819381220), (4, 4909690610), (5, 3927752488), (8, 2454845305), (10, 1963876244), (11, 1785342040), (17, 1155221320), (20, 981938122), (22, 892671020), (34, 577610660), (40, 490969061), (44, 446335510), (55, 357068408), (68, 288805330), (85, 231044264), (88, 223167755), (110, 178534204), (136, 144402665), (170, 115522132), (187, 105020120), (220, 89267102), (340, 57761066), (374, 52510060), (440, 44633551), (680, 28880533), (748, 26255030), (935, 21004024), (1496, 13127515), (1870, 10502012), (3740, 5251006), (7480, 2625503)]