18385381

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3593}}^1$

素因数の和:3660

約数の個数: 16

約数和(自身を含む): 22771584

約数和(自身を除く): 4386203

約数列:

[1, 7, 17, 43, 119, 301, 731, 3593, 5117, 25151, 61081, 154499, 427567, 1081493, 2626483, 18385381]

約数ペア:

[(1, 18385381), (7, 2626483), (17, 1081493), (43, 427567), (119, 154499), (301, 61081), (731, 25151), (3593, 5117)]