18162081

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15173}}^1$

素因数の和:15205

約数の個数: 24

約数和(自身を含む): 31561920

約数和(自身を除く): 13399839

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15173, 45519, 106211, 136557, 288287, 318633, 864861, 955899, 2018009, 2594583, 6054027, 18162081]

約数ペア:

[(1, 18162081), (3, 6054027), (7, 2594583), (9, 2018009), (19, 955899), (21, 864861), (57, 318633), (63, 288287), (133, 136557), (171, 106211), (399, 45519), (1197, 15173)]