18323893

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 22654080

約数和(自身を除く): 4330187

約数列:

[1, 7, 23, 49, 71, 161, 229, 497, 1127, 1603, 1633, 3479, 5267, 11221, 11431, 16259, 36869, 80017, 113813, 258083, 373957, 796691, 2617699, 18323893]

約数ペア:

[(1, 18323893), (7, 2617699), (23, 796691), (49, 373957), (71, 258083), (161, 113813), (229, 80017), (497, 36869), (1127, 16259), (1603, 11431), (1633, 11221), (3479, 5267)]