18550701

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 40

約数和(自身を含む): 30356480

約数和(自身を除く): 11805779

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 223, 237, 351, 669, 711, 1027, 1053, 2007, 2133, 2899, 3081, 6021, 6399, 8697, 9243, 17617, 18063, 26091, 27729, 52851, 78273, 83187, 158553, 229021, 234819, 475659, 687063, 1426977, 2061189, 6183567, 18550701]

約数ペア:

[(1, 18550701), (3, 6183567), (9, 2061189), (13, 1426977), (27, 687063), (39, 475659), (79, 234819), (81, 229021), (117, 158553), (223, 83187), (237, 78273), (351, 52851), (669, 27729), (711, 26091), (1027, 18063), (1053, 17617), (2007, 9243), (2133, 8697), (2899, 6399), (3081, 6021)]