19620993

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{11827}}^1$

素因数の和:11916

約数の個数: 16

約数和(自身を含む): 30279680

約数和(自身を除く): 10658687

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 11827, 35481, 82789, 248367, 934333, 2802999, 6540331, 19620993]

約数ペア:

[(1, 19620993), (3, 6540331), (7, 2802999), (21, 934333), (79, 248367), (237, 82789), (553, 35481), (1659, 11827)]