19697742

素因数分解:

$2^1\times 3^4\times {\mathrm{121591}}^1$

素因数の和:121605

約数の個数: 20

約数和(自身を含む): 44137896

約数和(自身を除く): 24440154

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 121591, 243182, 364773, 729546, 1094319, 2188638, 3282957, 6565914, 9848871, 19697742]

約数ペア:

[(1, 19697742), (2, 9848871), (3, 6565914), (6, 3282957), (9, 2188638), (18, 1094319), (27, 729546), (54, 364773), (81, 243182), (162, 121591)]