19811243876

素因数分解:

$2^2\times {\mathrm{193}}^1\times {\mathrm{2441}}^1\times {\mathrm{10513}}^1$

素因数の和:13151

約数の個数: 24

約数和(自身を含む): 34866905304

約数和(自身を除く): 15055661428

約数列:

[1, 2, 4, 193, 386, 772, 2441, 4882, 9764, 10513, 21026, 42052, 471113, 942226, 1884452, 2029009, 4058018, 8116036, 25662233, 51324466, 102648932, 4952810969, 9905621938, 19811243876]

約数ペア:

[(1, 19811243876), (2, 9905621938), (4, 4952810969), (193, 102648932), (386, 51324466), (772, 25662233), (2441, 8116036), (4882, 4058018), (9764, 2029009), (10513, 1884452), (21026, 942226), (42052, 471113)]