18708487

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 3306233

約数列:

[1, 7, 59, 97, 413, 467, 679, 3269, 5723, 27553, 40061, 45299, 192871, 317093, 2672641, 18708487]

約数ペア:

[(1, 18708487), (7, 2672641), (59, 317093), (97, 192871), (413, 45299), (467, 40061), (679, 27553), (3269, 5723)]