18084820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69557}}^1$

素因数の和:69579

約数の個数: 24

約数和(自身を含む): 40900104

約数和(自身を除く): 22815284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69557, 139114, 278228, 347785, 695570, 904241, 1391140, 1808482, 3616964, 4521205, 9042410, 18084820]

約数ペア:

[(1, 18084820), (2, 9042410), (4, 4521205), (5, 3616964), (10, 1808482), (13, 1391140), (20, 904241), (26, 695570), (52, 347785), (65, 278228), (130, 139114), (260, 69557)]