18118037

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 21260544

約数和(自身を除く): 3142507

約数列:

[1, 7, 61, 151, 281, 427, 1057, 1967, 9211, 17141, 42431, 64477, 119987, 297017, 2588291, 18118037]

約数ペア:

[(1, 18118037), (7, 2588291), (61, 297017), (151, 119987), (281, 64477), (427, 42431), (1057, 17141), (1967, 9211)]