18147723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 9431157

約数列:

[1, 3, 11, 33, 37, 89, 111, 167, 267, 407, 501, 979, 1221, 1837, 2937, 3293, 5511, 6179, 9879, 14863, 18537, 36223, 44589, 67969, 108669, 163493, 203907, 490479, 549931, 1649793, 6049241, 18147723]

約数ペア:

[(1, 18147723), (3, 6049241), (11, 1649793), (33, 549931), (37, 490479), (89, 203907), (111, 163493), (167, 108669), (267, 67969), (407, 44589), (501, 36223), (979, 18537), (1221, 14863), (1837, 9879), (2937, 6179), (3293, 5511)]