19245079

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 22910976

約数和(自身を除く): 3665897

約数列:

[1, 7, 31, 131, 217, 677, 917, 4061, 4739, 20987, 28427, 88687, 146909, 620809, 2749297, 19245079]

約数ペア:

[(1, 19245079), (7, 2749297), (31, 620809), (131, 146909), (217, 88687), (677, 28427), (917, 20987), (4061, 4739)]