18740449

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 23304960

約数和(自身を除く): 4564511

約数列:

[1, 7, 13, 91, 101, 707, 1313, 2039, 9191, 14273, 26507, 185549, 205939, 1441573, 2677207, 18740449]

約数ペア:

[(1, 18740449), (7, 2677207), (13, 1441573), (91, 205939), (101, 185549), (707, 26507), (1313, 14273), (2039, 9191)]