18504380

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{977}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 38940048

約数和(自身を除く): 20435668

約数列:

[1, 2, 4, 5, 10, 20, 947, 977, 1894, 1954, 3788, 3908, 4735, 4885, 9470, 9770, 18940, 19540, 925219, 1850438, 3700876, 4626095, 9252190, 18504380]

約数ペア:

[(1, 18504380), (2, 9252190), (4, 4626095), (5, 3700876), (10, 1850438), (20, 925219), (947, 19540), (977, 18940), (1894, 9770), (1954, 9470), (3788, 4885), (3908, 4735)]