18630880

素因数分解:

$2^5\times 5^1\times {\mathrm{116443}}^1$

素因数の和:116458

約数の個数: 24

約数和(自身を含む): 44015832

約数和(自身を除く): 25384952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 116443, 232886, 465772, 582215, 931544, 1164430, 1863088, 2328860, 3726176, 4657720, 9315440, 18630880]

約数ペア:

[(1, 18630880), (2, 9315440), (4, 4657720), (5, 3726176), (8, 2328860), (10, 1863088), (16, 1164430), (20, 931544), (32, 582215), (40, 465772), (80, 232886), (160, 116443)]