19087731

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18127}}^1$

素因数の和:18152

約数の個数: 20

約数和(自身を含む): 30708832

約数和(自身を除く): 11621101

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18127, 54381, 163143, 235651, 489429, 706953, 1468287, 2120859, 6362577, 19087731]

約数ペア:

[(1, 19087731), (3, 6362577), (9, 2120859), (13, 1468287), (27, 706953), (39, 489429), (81, 235651), (117, 163143), (351, 54381), (1053, 18127)]