18786945591

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{1481}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 27957277920

約数和(自身を除く): 9170332329

約数列:

[1, 3, 9, 67, 109, 193, 201, 327, 579, 603, 981, 1481, 1737, 4443, 7303, 12931, 13329, 21037, 21909, 38793, 63111, 65727, 99227, 116379, 161429, 189333, 285833, 297681, 484287, 857499, 893043, 1409479, 1452861, 2572497, 4228437, 10815743, 12685311, 19150811, 31155797, 32447229, 57452433, 93467391, 97341687, 172357299, 280402173, 2087438399, 6262315197, 18786945591]

約数ペア:

[(1, 18786945591), (3, 6262315197), (9, 2087438399), (67, 280402173), (109, 172357299), (193, 97341687), (201, 93467391), (327, 57452433), (579, 32447229), (603, 31155797), (981, 19150811), (1481, 12685311), (1737, 10815743), (4443, 4228437), (7303, 2572497), (12931, 1452861), (13329, 1409479), (21037, 893043), (21909, 857499), (38793, 484287), (63111, 297681), (65727, 285833), (99227, 189333), (116379, 161429)]