19142020

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5011}}^1$

素因数の和:5211

約数の個数: 24

約数和(自身を含む): 40416768

約数和(自身を除く): 21274748

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5011, 10022, 20044, 25055, 50110, 100220, 957101, 1914202, 3828404, 4785505, 9571010, 19142020]

約数ペア:

[(1, 19142020), (2, 9571010), (4, 4785505), (5, 3828404), (10, 1914202), (20, 957101), (191, 100220), (382, 50110), (764, 25055), (955, 20044), (1910, 10022), (3820, 5011)]