18497140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9157}}^1$

素因数の和:9267

約数の個数: 24

約数和(自身を含む): 39232872

約数和(自身を除く): 20735732

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9157, 18314, 36628, 45785, 91570, 183140, 924857, 1849714, 3699428, 4624285, 9248570, 18497140]

約数ペア:

[(1, 18497140), (2, 9248570), (4, 4624285), (5, 3699428), (10, 1849714), (20, 924857), (101, 183140), (202, 91570), (404, 45785), (505, 36628), (1010, 18314), (2020, 9157)]