18610220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1759}}^1$

素因数の和:1814

約数の個数: 36

約数和(自身を含む): 40877760

約数和(自身を除く): 22267540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1759, 2116, 2645, 3518, 5290, 7036, 8795, 10580, 17590, 35180, 40457, 80914, 161828, 202285, 404570, 809140, 930511, 1861022, 3722044, 4652555, 9305110, 18610220]

約数ペア:

[(1, 18610220), (2, 9305110), (4, 4652555), (5, 3722044), (10, 1861022), (20, 930511), (23, 809140), (46, 404570), (92, 202285), (115, 161828), (230, 80914), (460, 40457), (529, 35180), (1058, 17590), (1759, 10580), (2116, 8795), (2645, 7036), (3518, 5290)]