18626907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3163}}^1$

素因数の和:3330

約数の個数: 16

約数和(自身を含む): 26931968

約数和(自身を除く): 8305061

約数列:

[1, 3, 13, 39, 151, 453, 1963, 3163, 5889, 9489, 41119, 123357, 477613, 1432839, 6208969, 18626907]

約数ペア:

[(1, 18626907), (3, 6208969), (13, 1432839), (39, 477613), (151, 123357), (453, 41119), (1963, 9489), (3163, 5889)]