18790623

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3803}}^1$

素因数の和:3876

約数の個数: 20

約数和(自身を含む): 28537608

約数和(自身を除く): 9746985

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3803, 4941, 11409, 34227, 102681, 231983, 308043, 695949, 2087847, 6263541, 18790623]

約数ペア:

[(1, 18790623), (3, 6263541), (9, 2087847), (27, 695949), (61, 308043), (81, 231983), (183, 102681), (549, 34227), (1647, 11409), (3803, 4941)]