18302180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70393}}^1$

素因数の和:70415

約数の個数: 24

約数和(自身を含む): 41391672

約数和(自身を除く): 23089492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70393, 140786, 281572, 351965, 703930, 915109, 1407860, 1830218, 3660436, 4575545, 9151090, 18302180]

約数ペア:

[(1, 18302180), (2, 9151090), (4, 4575545), (5, 3660436), (10, 1830218), (13, 1407860), (20, 915109), (26, 703930), (52, 351965), (65, 281572), (130, 140786), (260, 70393)]