18218512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87589}}^1$

素因数の和:87610

約数の個数: 20

約数和(自身を含む): 38014060

約数和(自身を除く): 19795548

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87589, 175178, 350356, 700712, 1138657, 1401424, 2277314, 4554628, 9109256, 18218512]

約数ペア:

[(1, 18218512), (2, 9109256), (4, 4554628), (8, 2277314), (13, 1401424), (16, 1138657), (26, 700712), (52, 350356), (104, 175178), (208, 87589)]