19895491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15199}}^1$

素因数の和:15234

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 6370109

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15199, 106393, 167189, 258383, 1170323, 1808681, 2842213, 19895491]

約数ペア:

[(1, 19895491), (7, 2842213), (11, 1808681), (17, 1170323), (77, 258383), (119, 167189), (187, 106393), (1309, 15199)]