15877974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1471}}^1$

素因数の和:1740

約数の個数: 32

約数和(自身を含む): 36458496

約数和(自身を除く): 20580522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1471, 1542, 1799, 2942, 3598, 4413, 5397, 8826, 10297, 10794, 20594, 30891, 61782, 378047, 756094, 1134141, 2268282, 2646329, 5292658, 7938987, 15877974]

約数ペア:

[(1, 15877974), (2, 7938987), (3, 5292658), (6, 2646329), (7, 2268282), (14, 1134141), (21, 756094), (42, 378047), (257, 61782), (514, 30891), (771, 20594), (1471, 10794), (1542, 10297), (1799, 8826), (2942, 5397), (3598, 4413)]