15887971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{4001}}^1$

素因数の和:4050

約数の個数: 12

約数和(自身を含む): 18297144

約数和(自身を除く): 2409173

約数列:

[1, 11, 19, 209, 361, 3971, 4001, 44011, 76019, 836209, 1444361, 15887971]

約数ペア:

[(1, 15887971), (11, 1444361), (19, 836209), (209, 76019), (361, 44011), (3971, 4001)]