19353110399

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{124543}}^1$

素因数の和:124910

約数の個数: 16

約数和(自身を含む): 22477701120

約数和(自身を除く): 3124590721

約数列:

[1, 7, 79, 281, 553, 1967, 22199, 124543, 155393, 871801, 9838897, 34996583, 68872279, 244976081, 2764730057, 19353110399]

約数ペア:

[(1, 19353110399), (7, 2764730057), (79, 244976081), (281, 68872279), (553, 34996583), (1967, 9838897), (22199, 871801), (124543, 155393)]