18065957

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 22982400

約数和(自身を除く): 4916443

約数列:

[1, 7, 13, 49, 79, 91, 359, 553, 637, 1027, 2513, 3871, 4667, 7189, 17591, 28361, 32669, 50323, 198527, 228683, 368693, 1389689, 2580851, 18065957]

約数ペア:

[(1, 18065957), (7, 2580851), (13, 1389689), (49, 368693), (79, 228683), (91, 198527), (359, 50323), (553, 32669), (637, 28361), (1027, 17591), (2513, 7189), (3871, 4667)]