19019020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20233}}^1$

素因数の和:20289

約数の個数: 24

約数和(自身を含む): 40791744

約数和(自身を除く): 21772724

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20233, 40466, 80932, 101165, 202330, 404660, 950951, 1901902, 3803804, 4754755, 9509510, 19019020]

約数ペア:

[(1, 19019020), (2, 9509510), (4, 4754755), (5, 3803804), (10, 1901902), (20, 950951), (47, 404660), (94, 202330), (188, 101165), (235, 80932), (470, 40466), (940, 20233)]