18696664

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2437}}^1$

素因数の和:2587

約数の個数: 32

約数和(自身を含む): 40373280

約数和(自身を除く): 21676616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2437, 3836, 4874, 7672, 9748, 17059, 19496, 34118, 68236, 136472, 333869, 667738, 1335476, 2337083, 2670952, 4674166, 9348332, 18696664]

約数ペア:

[(1, 18696664), (2, 9348332), (4, 4674166), (7, 2670952), (8, 2337083), (14, 1335476), (28, 667738), (56, 333869), (137, 136472), (274, 68236), (548, 34118), (959, 19496), (1096, 17059), (1918, 9748), (2437, 7672), (3836, 4874)]