9451990

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2311}}^1$

素因数の和:2727

約数の個数: 16

約数和(自身を含む): 17062560

約数和(自身を除く): 7610570

約数列:

[1, 2, 5, 10, 409, 818, 2045, 2311, 4090, 4622, 11555, 23110, 945199, 1890398, 4725995, 9451990]

約数ペア:

[(1, 9451990), (2, 4725995), (5, 1890398), (10, 945199), (409, 23110), (818, 11555), (2045, 4622), (2311, 4090)]