18238906

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 14109254

約数列:

[1, 2, 7, 14, 59, 71, 118, 142, 311, 413, 497, 622, 826, 994, 2177, 4189, 4354, 8378, 18349, 22081, 29323, 36698, 44162, 58646, 128443, 154567, 256886, 309134, 1302779, 2605558, 9119453, 18238906]

約数ペア:

[(1, 18238906), (2, 9119453), (7, 2605558), (14, 1302779), (59, 309134), (71, 256886), (118, 154567), (142, 128443), (311, 58646), (413, 44162), (497, 36698), (622, 29323), (826, 22081), (994, 18349), (2177, 8378), (4189, 4354)]