18985138

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:953

約数の個数: 16

約数和(自身を含む): 29121120

約数和(自身を除く): 10135982

約数列:

[1, 2, 59, 118, 251, 502, 641, 1282, 14809, 29618, 37819, 75638, 160891, 321782, 9492569, 18985138]

約数ペア:

[(1, 18985138), (2, 9492569), (59, 321782), (118, 160891), (251, 75638), (502, 37819), (641, 29618), (1282, 14809)]