9991984

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{11783}}^1$

素因数の和:11844

約数の個数: 20

約数和(自身を含む): 19726416

約数和(自身を除く): 9734432

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 11783, 23566, 47132, 94264, 188528, 624499, 1248998, 2497996, 4995992, 9991984]

約数ペア:

[(1, 9991984), (2, 4995992), (4, 2497996), (8, 1248998), (16, 624499), (53, 188528), (106, 94264), (212, 47132), (424, 23566), (848, 11783)]