19683820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75707}}^1$

素因数の和:75729

約数の個数: 24

約数和(自身を含む): 44516304

約数和(自身を除く): 24832484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75707, 151414, 302828, 378535, 757070, 984191, 1514140, 1968382, 3936764, 4920955, 9841910, 19683820]

約数ペア:

[(1, 19683820), (2, 9841910), (4, 4920955), (5, 3936764), (10, 1968382), (13, 1514140), (20, 984191), (26, 757070), (52, 378535), (65, 302828), (130, 151414), (260, 75707)]