18227660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2857}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 43212960

約数和(自身を除く): 24985300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 2857, 3190, 5714, 6380, 11428, 14285, 28570, 31427, 57140, 62854, 82853, 125708, 157135, 165706, 314270, 331412, 414265, 628540, 828530, 911383, 1657060, 1822766, 3645532, 4556915, 9113830, 18227660]

約数ペア:

[(1, 18227660), (2, 9113830), (4, 4556915), (5, 3645532), (10, 1822766), (11, 1657060), (20, 911383), (22, 828530), (29, 628540), (44, 414265), (55, 331412), (58, 314270), (110, 165706), (116, 157135), (145, 125708), (220, 82853), (290, 62854), (319, 57140), (580, 31427), (638, 28570), (1276, 14285), (1595, 11428), (2857, 6380), (3190, 5714)]