18209994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7457}}^1$

素因数の和:7510

約数の個数: 32

約数和(自身を含む): 40810176

約数和(自身を除く): 22600182

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 7457, 14914, 22371, 44742, 82027, 164054, 246081, 275909, 492162, 551818, 827727, 1655454, 3034999, 6069998, 9104997, 18209994]

約数ペア:

[(1, 18209994), (2, 9104997), (3, 6069998), (6, 3034999), (11, 1655454), (22, 827727), (33, 551818), (37, 492162), (66, 275909), (74, 246081), (111, 164054), (222, 82027), (407, 44742), (814, 22371), (1221, 14914), (2442, 7457)]