18468000005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40589011}}^1$

素因数の和:40589036

約数の個数: 16

約数和(自身を含む): 27275816064

約数和(自身を除く): 8807816059

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 40589011, 202945055, 284123077, 527657143, 1420615385, 2638285715, 3693600001, 18468000005]

約数ペア:

[(1, 18468000005), (5, 3693600001), (7, 2638285715), (13, 1420615385), (35, 527657143), (65, 284123077), (91, 202945055), (455, 40589011)]