19584909

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5623}}^1$

素因数の和:5678

約数の個数: 20

約数和(自身を含む): 29942176

約数和(自身を除く): 10357267

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5623, 16869, 50607, 151821, 241789, 455463, 725367, 2176101, 6528303, 19584909]

約数ペア:

[(1, 19584909), (3, 6528303), (9, 2176101), (27, 725367), (43, 455463), (81, 241789), (129, 151821), (387, 50607), (1161, 16869), (3483, 5623)]