18212841

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 28104960

約数和(自身を除く): 9892119

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2251, 2697, 6753, 8091, 20259, 65279, 69781, 195837, 209343, 587511, 628029, 2023649, 6070947, 18212841]

約数ペア:

[(1, 18212841), (3, 6070947), (9, 2023649), (29, 628029), (31, 587511), (87, 209343), (93, 195837), (261, 69781), (279, 65279), (899, 20259), (2251, 8091), (2697, 6753)]