18475648820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4943}}^1\times {\mathrm{5051}}^1$

素因数の和:10040

約数の個数: 48

約数和(自身を含む): 39863432448

約数和(自身を除く): 21387783628

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 4943, 5051, 9886, 10102, 19772, 20204, 24715, 25255, 49430, 50510, 98860, 101020, 182891, 186887, 365782, 373774, 731564, 747548, 914455, 934435, 1828910, 1868870, 3657820, 3737740, 24967093, 49934186, 99868372, 124835465, 249670930, 499341860, 923782441, 1847564882, 3695129764, 4618912205, 9237824410, 18475648820]

約数ペア:

[(1, 18475648820), (2, 9237824410), (4, 4618912205), (5, 3695129764), (10, 1847564882), (20, 923782441), (37, 499341860), (74, 249670930), (148, 124835465), (185, 99868372), (370, 49934186), (740, 24967093), (4943, 3737740), (5051, 3657820), (9886, 1868870), (10102, 1828910), (19772, 934435), (20204, 914455), (24715, 747548), (25255, 731564), (49430, 373774), (50510, 365782), (98860, 186887), (101020, 182891)]