19005502311

素因数分解:

$3^4\times {\mathrm{661}}^1\times {\mathrm{354971}}^1$

素因数の和:355644

約数の個数: 20

約数和(自身を含む): 28433967144

約数和(自身を除く): 9428464833

約数列:

[1, 3, 9, 27, 81, 661, 1983, 5949, 17847, 53541, 354971, 1064913, 3194739, 9584217, 28752651, 234635831, 703907493, 2111722479, 6335167437, 19005502311]

約数ペア:

[(1, 19005502311), (3, 6335167437), (9, 2111722479), (27, 703907493), (81, 234635831), (661, 28752651), (1983, 9584217), (5949, 3194739), (17847, 1064913), (53541, 354971)]