18290584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{443}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 37109520

約数和(自身を除く): 18818936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 397, 443, 794, 886, 1588, 1772, 3176, 3544, 5161, 5759, 10322, 11518, 20644, 23036, 41288, 46072, 175871, 351742, 703484, 1406968, 2286323, 4572646, 9145292, 18290584]

約数ペア:

[(1, 18290584), (2, 9145292), (4, 4572646), (8, 2286323), (13, 1406968), (26, 703484), (52, 351742), (104, 175871), (397, 46072), (443, 41288), (794, 23036), (886, 20644), (1588, 11518), (1772, 10322), (3176, 5759), (3544, 5161)]