19622197

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{757}}^1$

素因数の和:817

約数の個数: 18

約数和(自身を含む): 23892918

約数和(自身を除く): 4270721

約数列:

[1, 7, 23, 49, 161, 529, 757, 1127, 3703, 5299, 17411, 25921, 37093, 121877, 400453, 853139, 2803171, 19622197]

約数ペア:

[(1, 19622197), (7, 2803171), (23, 853139), (49, 400453), (161, 121877), (529, 37093), (757, 25921), (1127, 17411), (3703, 5299)]