18548265

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 30729600

約数和(自身を除く): 12181335

約数列:

[1, 3, 5, 15, 43, 129, 149, 193, 215, 447, 579, 645, 745, 965, 2235, 2895, 6407, 8299, 19221, 24897, 28757, 32035, 41495, 86271, 96105, 124485, 143785, 431355, 1236551, 3709653, 6182755, 18548265]

約数ペア:

[(1, 18548265), (3, 6182755), (5, 3709653), (15, 1236551), (43, 431355), (129, 143785), (149, 124485), (193, 96105), (215, 86271), (447, 41495), (579, 32035), (645, 28757), (745, 24897), (965, 19221), (2235, 8299), (2895, 6407)]