18712070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8467}}^1$

素因数の和:8504

約数の個数: 32

約数和(自身を含む): 38410848

約数和(自身を除く): 19698778

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8467, 16934, 42335, 84670, 110071, 143939, 220142, 287878, 550355, 719695, 1100710, 1439390, 1871207, 3742414, 9356035, 18712070]

約数ペア:

[(1, 18712070), (2, 9356035), (5, 3742414), (10, 1871207), (13, 1439390), (17, 1100710), (26, 719695), (34, 550355), (65, 287878), (85, 220142), (130, 143939), (170, 110071), (221, 84670), (442, 42335), (1105, 16934), (2210, 8467)]