18728974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{1171}}^1$

素因数の和:1911

約数の個数: 16

約数和(自身を含む): 30715776

約数和(自身を除く): 11986802

約数列:

[1, 2, 11, 22, 727, 1171, 1454, 2342, 7997, 12881, 15994, 25762, 851317, 1702634, 9364487, 18728974]

約数ペア:

[(1, 18728974), (2, 9364487), (11, 1702634), (22, 851317), (727, 25762), (1171, 15994), (1454, 12881), (2342, 7997)]