19946574

素因数分解:

$2^1\times 3^4\times {\mathrm{123127}}^1$

素因数の和:123141

約数の個数: 20

約数和(自身を含む): 44695464

約数和(自身を除く): 24748890

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123127, 246254, 369381, 738762, 1108143, 2216286, 3324429, 6648858, 9973287, 19946574]

約数ペア:

[(1, 19946574), (2, 9973287), (3, 6648858), (6, 3324429), (9, 2216286), (18, 1108143), (27, 738762), (54, 369381), (81, 246254), (162, 123127)]