18998586

素因数分解:

$2^1\times 3^2\times {\mathrm{971}}^1\times {\mathrm{1087}}^1$

素因数の和:2066

約数の個数: 24

約数和(自身を含む): 41243904

約数和(自身を除く): 22245318

約数列:

[1, 2, 3, 6, 9, 18, 971, 1087, 1942, 2174, 2913, 3261, 5826, 6522, 8739, 9783, 17478, 19566, 1055477, 2110954, 3166431, 6332862, 9499293, 18998586]

約数ペア:

[(1, 18998586), (2, 9499293), (3, 6332862), (6, 3166431), (9, 2110954), (18, 1055477), (971, 19566), (1087, 17478), (1942, 9783), (2174, 8739), (2913, 6522), (3261, 5826)]