18836540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40949}}^1$

素因数の和:40981

約数の個数: 24

約数和(自身を含む): 41277600

約数和(自身を除く): 22441060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40949, 81898, 163796, 204745, 409490, 818980, 941827, 1883654, 3767308, 4709135, 9418270, 18836540]

約数ペア:

[(1, 18836540), (2, 9418270), (4, 4709135), (5, 3767308), (10, 1883654), (20, 941827), (23, 818980), (46, 409490), (92, 204745), (115, 163796), (230, 81898), (460, 40949)]