19703411

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5281}}^1$

素因数の和:5342

約数の個数: 16

約数和(自身を含む): 24846528

約数和(自身を除く): 5143117

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5281, 36967, 68653, 216521, 480571, 1515647, 2814773, 19703411]

約数ペア:

[(1, 19703411), (7, 2814773), (13, 1515647), (41, 480571), (91, 216521), (287, 68653), (533, 36967), (3731, 5281)]