19404161

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1567}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 23331840

約数和(自身を除く): 3927679

約数列:

[1, 7, 29, 61, 203, 427, 1567, 1769, 10969, 12383, 45443, 95587, 318101, 669109, 2772023, 19404161]

約数ペア:

[(1, 19404161), (7, 2772023), (29, 669109), (61, 318101), (203, 95587), (427, 45443), (1567, 12383), (1769, 10969)]