18226920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{787}}^1$

素因数の和:994

約数の個数: 64

約数和(自身を含む): 55033920

約数和(自身を除く): 36807000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 579, 772, 787, 965, 1158, 1544, 1574, 1930, 2316, 2361, 2895, 3148, 3860, 3935, 4632, 4722, 5790, 6296, 7720, 7870, 9444, 11580, 11805, 15740, 18888, 23160, 23610, 31480, 47220, 94440, 151891, 303782, 455673, 607564, 759455, 911346, 1215128, 1518910, 1822692, 2278365, 3037820, 3645384, 4556730, 6075640, 9113460, 18226920]

約数ペア:

[(1, 18226920), (2, 9113460), (3, 6075640), (4, 4556730), (5, 3645384), (6, 3037820), (8, 2278365), (10, 1822692), (12, 1518910), (15, 1215128), (20, 911346), (24, 759455), (30, 607564), (40, 455673), (60, 303782), (120, 151891), (193, 94440), (386, 47220), (579, 31480), (772, 23610), (787, 23160), (965, 18888), (1158, 15740), (1544, 11805), (1574, 11580), (1930, 9444), (2316, 7870), (2361, 7720), (2895, 6296), (3148, 5790), (3860, 4722), (3935, 4632)]