18659620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133283}}^1$

素因数の和:133299

約数の個数: 24

約数和(自身を含む): 44783424

約数和(自身を除く): 26123804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133283, 266566, 533132, 666415, 932981, 1332830, 1865962, 2665660, 3731924, 4664905, 9329810, 18659620]

約数ペア:

[(1, 18659620), (2, 9329810), (4, 4664905), (5, 3731924), (7, 2665660), (10, 1865962), (14, 1332830), (20, 932981), (28, 666415), (35, 533132), (70, 266566), (140, 133283)]