18436540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9127}}^1$

素因数の和:9237

約数の個数: 24

約数和(自身を含む): 39104352

約数和(自身を除く): 20667812

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9127, 18254, 36508, 45635, 91270, 182540, 921827, 1843654, 3687308, 4609135, 9218270, 18436540]

約数ペア:

[(1, 18436540), (2, 9218270), (4, 4609135), (5, 3687308), (10, 1843654), (20, 921827), (101, 182540), (202, 91270), (404, 45635), (505, 36508), (1010, 18254), (2020, 9127)]