18220182020

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1178537}}^1$

素因数の和:1179319

約数の個数: 24

約数和(自身を含む): 38311913304

約数和(自身を除く): 20091731284

約数列:

[1, 2, 4, 5, 10, 20, 773, 1546, 3092, 3865, 7730, 15460, 1178537, 2357074, 4714148, 5892685, 11785370, 23570740, 911009101, 1822018202, 3644036404, 4555045505, 9110091010, 18220182020]

約数ペア:

[(1, 18220182020), (2, 9110091010), (4, 4555045505), (5, 3644036404), (10, 1822018202), (20, 911009101), (773, 23570740), (1546, 11785370), (3092, 5892685), (3865, 4714148), (7730, 2357074), (15460, 1178537)]