18796490

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4243}}^1$

素因数の和:4693

約数の個数: 16

約数和(自身を含む): 33918048

約数和(自身を除く): 15121558

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4243, 4430, 8486, 21215, 42430, 1879649, 3759298, 9398245, 18796490]

約数ペア:

[(1, 18796490), (2, 9398245), (5, 3759298), (10, 1879649), (443, 42430), (886, 21215), (2215, 8486), (4243, 4430)]