18809963

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 20207616

約数和(自身を除く): 1397653

約数列:

[1, 31, 43, 103, 137, 1333, 3193, 4247, 4429, 5891, 14111, 137299, 182621, 437441, 606773, 18809963]

約数ペア:

[(1, 18809963), (31, 606773), (43, 437441), (103, 182621), (137, 137299), (1333, 14111), (3193, 5891), (4247, 4429)]