18460897

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 23502696

約数和(自身を除く): 5041799

約数列:

[1, 7, 13, 49, 73, 91, 397, 511, 637, 949, 2779, 3577, 5161, 6643, 19453, 28981, 36127, 46501, 202867, 252889, 376753, 1420069, 2637271, 18460897]

約数ペア:

[(1, 18460897), (7, 2637271), (13, 1420069), (49, 376753), (73, 252889), (91, 202867), (397, 46501), (511, 36127), (637, 28981), (949, 19453), (2779, 6643), (3577, 5161)]