18450237

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 26925888

約数和(自身を除く): 8475651

約数列:

[1, 3, 13, 39, 151, 169, 241, 453, 507, 723, 1963, 3133, 5889, 9399, 25519, 36391, 40729, 76557, 109173, 122187, 473083, 1419249, 6150079, 18450237]

約数ペア:

[(1, 18450237), (3, 6150079), (13, 1419249), (39, 473083), (151, 122187), (169, 109173), (241, 76557), (453, 40729), (507, 36391), (723, 25519), (1963, 9399), (3133, 5889)]