17811130180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{988409}}^1$

素因数の和:988488

約数の個数: 48

約数和(自身を含む): 40350849840

約数和(自身を除く): 22539719660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 18020, 988409, 1976818, 3953636, 4942045, 9884090, 16802953, 19768180, 33605906, 52385677, 67211812, 84014765, 104771354, 168029530, 209542708, 261928385, 336059060, 523856770, 890556509, 1047713540, 1781113018, 3562226036, 4452782545, 8905565090, 17811130180]

約数ペア:

[(1, 17811130180), (2, 8905565090), (4, 4452782545), (5, 3562226036), (10, 1781113018), (17, 1047713540), (20, 890556509), (34, 523856770), (53, 336059060), (68, 261928385), (85, 209542708), (106, 168029530), (170, 104771354), (212, 84014765), (265, 67211812), (340, 52385677), (530, 33605906), (901, 19768180), (1060, 16802953), (1802, 9884090), (3604, 4942045), (4505, 3953636), (9010, 1976818), (18020, 988409)]