18157923

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1237}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 30127968

約数和(自身を除く): 11970045

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 1237, 1631, 2097, 3711, 4893, 8659, 11133, 14679, 25977, 77931, 288221, 864663, 2017547, 2593989, 6052641, 18157923]

約数ペア:

[(1, 18157923), (3, 6052641), (7, 2593989), (9, 2017547), (21, 864663), (63, 288221), (233, 77931), (699, 25977), (1237, 14679), (1631, 11133), (2097, 8659), (3711, 4893)]