19571027

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 23294400

約数和(自身を除く): 3723373

約数列:

[1, 7, 29, 203, 229, 421, 1603, 2947, 6641, 12209, 46487, 85463, 96409, 674863, 2795861, 19571027]

約数ペア:

[(1, 19571027), (7, 2795861), (29, 674863), (203, 96409), (229, 85463), (421, 46487), (1603, 12209), (2947, 6641)]