18117385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25339}}^1$

素因数の和:25368

約数の個数: 16

約数和(自身を含む): 25542720

約数和(自身を除く): 7425335

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 25339, 126695, 278729, 329407, 1393645, 1647035, 3623477, 18117385]

約数ペア:

[(1, 18117385), (5, 3623477), (11, 1647035), (13, 1393645), (55, 329407), (65, 278729), (143, 126695), (715, 25339)]