19863529

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 23592960

約数和(自身を除く): 3729431

約数列:

[1, 7, 31, 217, 239, 383, 1673, 2681, 7409, 11873, 51863, 83111, 91537, 640759, 2837647, 19863529]

約数ペア:

[(1, 19863529), (7, 2837647), (31, 640759), (217, 91537), (239, 83111), (383, 51863), (1673, 11873), (2681, 7409)]