19308490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 16979510

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 479, 695, 958, 1390, 2395, 4031, 4790, 8062, 13891, 20155, 27782, 40310, 66581, 69455, 133162, 138910, 332905, 665810, 1930849, 3861698, 9654245, 19308490]

約数ペア:

[(1, 19308490), (2, 9654245), (5, 3861698), (10, 1930849), (29, 665810), (58, 332905), (139, 138910), (145, 133162), (278, 69455), (290, 66581), (479, 40310), (695, 27782), (958, 20155), (1390, 13891), (2395, 8062), (4031, 4790)]