18859220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20063}}^1$

素因数の和:20119

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 21589804

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 20063, 40126, 80252, 100315, 200630, 401260, 942961, 1885922, 3771844, 4714805, 9429610, 18859220]

約数ペア:

[(1, 18859220), (2, 9429610), (4, 4714805), (5, 3771844), (10, 1885922), (20, 942961), (47, 401260), (94, 200630), (188, 100315), (235, 80252), (470, 40126), (940, 20063)]