18655885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1579}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 23889600

約数和(自身を除く): 5233715

約数列:

[1, 5, 17, 85, 139, 695, 1579, 2363, 7895, 11815, 26843, 134215, 219481, 1097405, 3731177, 18655885]

約数ペア:

[(1, 18655885), (5, 3731177), (17, 1097405), (85, 219481), (139, 134215), (695, 26843), (1579, 11815), (2363, 7895)]