18789101615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{493217}}^1$

素因数の和:493642

約数の個数: 16

約数和(自身を含む): 23792836320

約数和(自身を除く): 5003734705

約数列:

[1, 5, 19, 95, 401, 2005, 7619, 38095, 493217, 2466085, 9371123, 46855615, 197780017, 988900085, 3757820323, 18789101615]

約数ペア:

[(1, 18789101615), (5, 3757820323), (19, 988900085), (95, 197780017), (401, 46855615), (2005, 9371123), (7619, 2466085), (38095, 493217)]