19921105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 25069824

約数和(自身を除く): 5148719

約数列:

[1, 5, 23, 115, 311, 557, 1555, 2785, 7153, 12811, 35765, 64055, 173227, 866135, 3984221, 19921105]

約数ペア:

[(1, 19921105), (5, 3984221), (23, 866135), (115, 173227), (311, 64055), (557, 35765), (1555, 12811), (2785, 7153)]