18913820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41117}}^1$

素因数の和:41149

約数の個数: 24

約数和(自身を含む): 41446944

約数和(自身を除く): 22533124

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 41117, 82234, 164468, 205585, 411170, 822340, 945691, 1891382, 3782764, 4728455, 9456910, 18913820]

約数ペア:

[(1, 18913820), (2, 9456910), (4, 4728455), (5, 3782764), (10, 1891382), (20, 945691), (23, 822340), (46, 411170), (92, 205585), (115, 164468), (230, 82234), (460, 41117)]