18798820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40867}}^1$

素因数の和:40899

約数の個数: 24

約数和(自身を含む): 41194944

約数和(自身を除く): 22396124

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40867, 81734, 163468, 204335, 408670, 817340, 939941, 1879882, 3759764, 4699705, 9399410, 18798820]

約数ペア:

[(1, 18798820), (2, 9399410), (4, 4699705), (5, 3759764), (10, 1879882), (20, 939941), (23, 817340), (46, 408670), (92, 204335), (115, 163468), (230, 81734), (460, 40867)]