18642239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1013}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 23362560

約数和(自身を除く): 4720321

約数列:

[1, 7, 11, 77, 239, 1013, 1673, 2629, 7091, 11143, 18403, 78001, 242107, 1694749, 2663177, 18642239]

約数ペア:

[(1, 18642239), (7, 2663177), (11, 1694749), (77, 242107), (239, 78001), (1013, 18403), (1673, 11143), (2629, 7091)]