18408980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{24877}}^1$

素因数の和:24923

約数の個数: 24

約数和(自身を含む): 39705288

約数和(自身を除く): 21296308

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 24877, 49754, 99508, 124385, 248770, 497540, 920449, 1840898, 3681796, 4602245, 9204490, 18408980]

約数ペア:

[(1, 18408980), (2, 9204490), (4, 4602245), (5, 3681796), (10, 1840898), (20, 920449), (37, 497540), (74, 248770), (148, 124385), (185, 99508), (370, 49754), (740, 24877)]