19420983

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 29780400

約数和(自身を除く): 10359417

約数列:

[1, 3, 9, 19, 57, 137, 171, 411, 829, 1233, 2487, 2603, 7461, 7809, 15751, 23427, 47253, 113573, 141759, 340719, 1022157, 2157887, 6473661, 19420983]

約数ペア:

[(1, 19420983), (3, 6473661), (9, 2157887), (19, 1022157), (57, 340719), (137, 141759), (171, 113573), (411, 47253), (829, 23427), (1233, 15751), (2487, 7809), (2603, 7461)]