18523953

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10139}}^1$

素因数の和:10181

約数の個数: 24

約数和(自身を含む): 31636800

約数和(自身を除く): 13112847

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10139, 30417, 70973, 91251, 212919, 294031, 638757, 882093, 2058217, 2646279, 6174651, 18523953]

約数ペア:

[(1, 18523953), (3, 6174651), (7, 2646279), (9, 2058217), (21, 882093), (29, 638757), (63, 294031), (87, 212919), (203, 91251), (261, 70973), (609, 30417), (1827, 10139)]