19925529

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16481}}^1$

素因数の和:16528

約数の個数: 16

約数和(自身を含む): 29535744

約数和(自身を除く): 9610215

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16481, 49443, 214253, 510911, 642759, 1532733, 6641843, 19925529]

約数ペア:

[(1, 19925529), (3, 6641843), (13, 1532733), (31, 642759), (39, 510911), (93, 214253), (403, 49443), (1209, 16481)]