18169991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1427}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 22208256

約数和(自身を除く): 4038265

約数列:

[1, 7, 17, 107, 119, 749, 1427, 1819, 9989, 12733, 24259, 152689, 169813, 1068823, 2595713, 18169991]

約数ペア:

[(1, 18169991), (7, 2595713), (17, 1068823), (107, 169813), (119, 152689), (749, 24259), (1427, 12733), (1819, 9989)]