18788121

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1879}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 29914560

約数和(自身を除く): 11126439

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 1879, 3333, 5637, 9999, 16911, 20669, 62007, 186021, 189779, 569337, 1708011, 2087569, 6262707, 18788121]

約数ペア:

[(1, 18788121), (3, 6262707), (9, 2087569), (11, 1708011), (33, 569337), (99, 189779), (101, 186021), (303, 62007), (909, 20669), (1111, 16911), (1879, 9999), (3333, 5637)]