18884216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1697}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 38510640

約数和(自身を除く): 19626424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 1697, 2782, 3394, 5564, 6788, 11128, 13576, 22061, 44122, 88244, 176488, 181579, 363158, 726316, 1452632, 2360527, 4721054, 9442108, 18884216]

約数ペア:

[(1, 18884216), (2, 9442108), (4, 4721054), (8, 2360527), (13, 1452632), (26, 726316), (52, 363158), (104, 181579), (107, 176488), (214, 88244), (428, 44122), (856, 22061), (1391, 13576), (1697, 11128), (2782, 6788), (3394, 5564)]