19425681

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 30775680

約数和(自身を除く): 11349999

約数列:

[1, 3, 9, 11, 33, 99, 239, 717, 821, 2151, 2463, 2629, 7389, 7887, 9031, 23661, 27093, 81279, 196219, 588657, 1765971, 2158409, 6475227, 19425681]

約数ペア:

[(1, 19425681), (3, 6475227), (9, 2158409), (11, 1765971), (33, 588657), (99, 196219), (239, 81279), (717, 27093), (821, 23661), (2151, 9031), (2463, 7887), (2629, 7389)]