18668331

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{701}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 29568240

約数和(自身を除く): 10899909

約数列:

[1, 3, 9, 11, 33, 99, 269, 701, 807, 2103, 2421, 2959, 6309, 7711, 8877, 23133, 26631, 69399, 188569, 565707, 1697121, 2074259, 6222777, 18668331]

約数ペア:

[(1, 18668331), (3, 6222777), (9, 2074259), (11, 1697121), (33, 565707), (99, 188569), (269, 69399), (701, 26631), (807, 23133), (2103, 8877), (2421, 7711), (2959, 6309)]