18655

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:66

約数の個数: 16

約数和(自身を含む): 28224

約数和(自身を除く): 9569

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1435, 2665, 3731, 18655]

約数ペア:

[(1, 18655), (5, 3731), (7, 2665), (13, 1435), (35, 533), (41, 455), (65, 287), (91, 205)]