18120245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25343}}^1$

素因数の和:25372

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 7426507

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 25343, 126715, 278773, 329459, 1393865, 1647295, 3624049, 18120245]

約数ペア:

[(1, 18120245), (5, 3624049), (11, 1647295), (13, 1393865), (55, 329459), (65, 278773), (143, 126715), (715, 25343)]