18942781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{953}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 22438080

約数和(自身を除く): 3495299

約数列:

[1, 11, 13, 139, 143, 953, 1529, 1807, 10483, 12389, 19877, 132467, 136279, 1457137, 1722071, 18942781]

約数ペア:

[(1, 18942781), (11, 1722071), (13, 1457137), (139, 136279), (143, 132467), (953, 19877), (1529, 12389), (1807, 10483)]