19982218

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{2063}}^1$

素因数の和:2261

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 11225462

約数列:

[1, 2, 29, 58, 167, 334, 2063, 4126, 4843, 9686, 59827, 119654, 344521, 689042, 9991109, 19982218]

約数ペア:

[(1, 19982218), (2, 9991109), (29, 689042), (58, 344521), (167, 119654), (334, 59827), (2063, 9686), (4126, 4843)]