19569665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 24624000

約数和(自身を除く): 5054335

約数列:

[1, 5, 23, 115, 379, 449, 1895, 2245, 8717, 10327, 43585, 51635, 170171, 850855, 3913933, 19569665]

約数ペア:

[(1, 19569665), (5, 3913933), (23, 850855), (115, 170171), (379, 51635), (449, 43585), (1895, 10327), (2245, 8717)]