19654226

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1013}}^1$

素因数の和:1213

約数の個数: 16

約数和(自身を含む): 30115800

約数和(自身を除く): 10461574

約数列:

[1, 2, 89, 109, 178, 218, 1013, 2026, 9701, 19402, 90157, 110417, 180314, 220834, 9827113, 19654226]

約数ペア:

[(1, 19654226), (2, 9827113), (89, 220834), (109, 180314), (178, 110417), (218, 90157), (1013, 19402), (2026, 9701)]