18840778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{29531}}^1$

素因数の和:29573

約数の個数: 16

約数和(自身を含む): 31894560

約数和(自身を除く): 13053782

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 29531, 59062, 324841, 649682, 856399, 1712798, 9420389, 18840778]

約数ペア:

[(1, 18840778), (2, 9420389), (11, 1712798), (22, 856399), (29, 649682), (58, 324841), (319, 59062), (638, 29531)]