19931847

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7001}}^1$

素因数の和:7090

約数の個数: 16

約数和(自身を含む): 29016288

約数和(自身を除く): 9084441

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7001, 21003, 91013, 273039, 511073, 1533219, 6643949, 19931847]

約数ペア:

[(1, 19931847), (3, 6643949), (13, 1533219), (39, 511073), (73, 273039), (219, 91013), (949, 21003), (2847, 7001)]