19543390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67391}}^1$

素因数の和:67427

約数の個数: 16

約数和(自身を含む): 36391680

約数和(自身を除く): 16848290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 67391, 134782, 336955, 673910, 1954339, 3908678, 9771695, 19543390]

約数ペア:

[(1, 19543390), (2, 9771695), (5, 3908678), (10, 1954339), (29, 673910), (58, 336955), (145, 134782), (290, 67391)]