19236895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1686

約数の個数: 16

約数和(自身を含む): 24145920

約数和(自身を除く): 4909025

約数列:

[1, 5, 31, 79, 155, 395, 1571, 2449, 7855, 12245, 48701, 124109, 243505, 620545, 3847379, 19236895]

約数ペア:

[(1, 19236895), (5, 3847379), (31, 620545), (79, 243505), (155, 124109), (395, 48701), (1571, 12245), (2449, 7855)]