18173860

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1597}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 38256120

約数和(自身を除く): 20082260

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 1597, 2276, 2845, 3194, 5690, 6388, 7985, 11380, 15970, 31940, 908693, 1817386, 3634772, 4543465, 9086930, 18173860]

約数ペア:

[(1, 18173860), (2, 9086930), (4, 4543465), (5, 3634772), (10, 1817386), (20, 908693), (569, 31940), (1138, 15970), (1597, 11380), (2276, 7985), (2845, 6388), (3194, 5690)]