19881298

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4339}}^1$

素因数の和:4449

約数の個数: 16

約数和(自身を含む): 31248000

約数和(自身を除く): 11366702

約数列:

[1, 2, 29, 58, 79, 158, 2291, 4339, 4582, 8678, 125831, 251662, 342781, 685562, 9940649, 19881298]

約数ペア:

[(1, 19881298), (2, 9940649), (29, 685562), (58, 342781), (79, 251662), (158, 125831), (2291, 8678), (4339, 4582)]