18789066740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55261961}}^1$

素因数の和:55261987

約数の個数: 24

約数和(自身を含む): 41778043272

約数和(自身を除く): 22988976532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55261961, 110523922, 221047844, 276309805, 552619610, 939453337, 1105239220, 1878906674, 3757813348, 4697266685, 9394533370, 18789066740]

約数ペア:

[(1, 18789066740), (2, 9394533370), (4, 4697266685), (5, 3757813348), (10, 1878906674), (17, 1105239220), (20, 939453337), (34, 552619610), (68, 276309805), (85, 221047844), (170, 110523922), (340, 55261961)]