18365931

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 27321840

約数和(自身を除く): 8955909

約数列:

[1, 3, 9, 53, 139, 159, 277, 417, 477, 831, 1251, 2493, 7367, 14681, 22101, 38503, 44043, 66303, 115509, 132129, 346527, 2040659, 6121977, 18365931]

約数ペア:

[(1, 18365931), (3, 6121977), (9, 2040659), (53, 346527), (139, 132129), (159, 115509), (277, 66303), (417, 44043), (477, 38503), (831, 22101), (1251, 14681), (2493, 7367)]