19001455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1997}}^1$

素因数の和:2186

約数の個数: 16

約数和(自身を含む): 25030944

約数和(自身を除く): 6029489

約数列:

[1, 5, 11, 55, 173, 865, 1903, 1997, 9515, 9985, 21967, 109835, 345481, 1727405, 3800291, 19001455]

約数ペア:

[(1, 19001455), (5, 3800291), (11, 1727405), (55, 345481), (173, 109835), (865, 21967), (1903, 9985), (1997, 9515)]