18212782

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 14135378

約数列:

[1, 2, 7, 14, 47, 89, 94, 178, 311, 329, 622, 623, 658, 1246, 2177, 4183, 4354, 8366, 14617, 27679, 29234, 29281, 55358, 58562, 102319, 193753, 204638, 387506, 1300913, 2601826, 9106391, 18212782]

約数ペア:

[(1, 18212782), (2, 9106391), (7, 2601826), (14, 1300913), (47, 387506), (89, 204638), (94, 193753), (178, 102319), (311, 58562), (329, 55358), (622, 29281), (623, 29234), (658, 27679), (1246, 14617), (2177, 8366), (4183, 4354)]