18865189

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3373}}^1$

素因数の和:3444

約数の個数: 16

約数和(自身を含む): 23321088

約数和(自身を除く): 4455899

約数列:

[1, 7, 17, 47, 119, 329, 799, 3373, 5593, 23611, 57341, 158531, 401387, 1109717, 2695027, 18865189]

約数ペア:

[(1, 18865189), (7, 2695027), (17, 1109717), (47, 401387), (119, 158531), (329, 57341), (799, 23611), (3373, 5593)]