19767419

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2081}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 23984640

約数和(自身を除く): 4217221

約数列:

[1, 7, 23, 59, 161, 413, 1357, 2081, 9499, 14567, 47863, 122779, 335041, 859453, 2823917, 19767419]

約数ペア:

[(1, 19767419), (7, 2823917), (23, 859453), (59, 335041), (161, 122779), (413, 47863), (1357, 14567), (2081, 9499)]