19467020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51229}}^1$

素因数の和:51257

約数の個数: 24

約数和(自身を含む): 43033200

約数和(自身を除く): 23566180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51229, 102458, 204916, 256145, 512290, 973351, 1024580, 1946702, 3893404, 4866755, 9733510, 19467020]

約数ペア:

[(1, 19467020), (2, 9733510), (4, 4866755), (5, 3893404), (10, 1946702), (19, 1024580), (20, 973351), (38, 512290), (76, 256145), (95, 204916), (190, 102458), (380, 51229)]