19506370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{829}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 38067120

約数和(自身を除く): 18560750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 829, 905, 1658, 1810, 2353, 4145, 4706, 8290, 10777, 11765, 21554, 23530, 53885, 107770, 150049, 300098, 750245, 1500490, 1950637, 3901274, 9753185, 19506370]

約数ペア:

[(1, 19506370), (2, 9753185), (5, 3901274), (10, 1950637), (13, 1500490), (26, 750245), (65, 300098), (130, 150049), (181, 107770), (362, 53885), (829, 23530), (905, 21554), (1658, 11765), (1810, 10777), (2353, 8290), (4145, 4706)]