18804370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1930

約数の個数: 32

約数和(自身を含む): 36933120

約数和(自身を除く): 18128750

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 1831, 2054, 3662, 5135, 9155, 10270, 18310, 23803, 47606, 119015, 144649, 238030, 289298, 723245, 1446490, 1880437, 3760874, 9402185, 18804370]

約数ペア:

[(1, 18804370), (2, 9402185), (5, 3760874), (10, 1880437), (13, 1446490), (26, 723245), (65, 289298), (79, 238030), (130, 144649), (158, 119015), (395, 47606), (790, 23803), (1027, 18310), (1831, 10270), (2054, 9155), (3662, 5135)]