2018639870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{18731}}^1$

素因数の和:19580

約数の個数: 32

約数和(自身を含む): 3917985120

約数和(自身を除く): 1899345250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 829, 1658, 4145, 8290, 10777, 18731, 21554, 37462, 53885, 93655, 107770, 187310, 243503, 487006, 1217515, 2435030, 15527999, 31055998, 77639995, 155279990, 201863987, 403727974, 1009319935, 2018639870]

約数ペア:

[(1, 2018639870), (2, 1009319935), (5, 403727974), (10, 201863987), (13, 155279990), (26, 77639995), (65, 31055998), (130, 15527999), (829, 2435030), (1658, 1217515), (4145, 487006), (8290, 243503), (10777, 187310), (18731, 107770), (21554, 93655), (37462, 53885)]