31999216

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{19417}}^1$

素因数の和:19528

約数の個数: 20

約数和(自身を含む): 62603632

約数和(自身を除く): 30604416

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 19417, 38834, 77668, 155336, 310672, 1999951, 3999902, 7999804, 15999608, 31999216]

約数ペア:

[(1, 31999216), (2, 15999608), (4, 7999804), (8, 3999902), (16, 1999951), (103, 310672), (206, 155336), (412, 77668), (824, 38834), (1648, 19417)]