15931982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4001}}^1$

素因数の和:4195

約数の個数: 16

約数和(自身を含む): 26221104

約数和(自身を除く): 10289122

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 4001, 8002, 44011, 88022, 724181, 1448362, 7965991, 15931982]

約数ペア:

[(1, 15931982), (2, 7965991), (11, 1448362), (22, 724181), (181, 88022), (362, 44011), (1991, 8002), (3982, 4001)]