19009919479

素因数分解:

${\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{20021}}^1$

素因数の和:20442

約数の個数: 16

約数和(自身を含む): 19874638080

約数和(自身を除く): 864718601

約数列:

[1, 31, 109, 281, 3379, 8711, 20021, 30629, 620651, 949499, 2182289, 5625901, 67650959, 174402931, 613223209, 19009919479]

約数ペア:

[(1, 19009919479), (31, 613223209), (109, 174402931), (281, 67650959), (3379, 5625901), (8711, 2182289), (20021, 949499), (30629, 620651)]