19663679

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 23976000

約数和(自身を除く): 4312321

約数列:

[1, 7, 17, 119, 149, 1043, 1109, 2533, 7763, 17731, 18853, 131971, 165241, 1156687, 2809097, 19663679]

約数ペア:

[(1, 19663679), (7, 2809097), (17, 1156687), (119, 165241), (149, 131971), (1043, 18853), (1109, 17731), (2533, 7763)]