18912716

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{853}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 34720224

約数和(自身を除く): 15807508

約数列:

[1, 2, 4, 23, 46, 92, 241, 482, 853, 964, 1706, 3412, 5543, 11086, 19619, 22172, 39238, 78476, 205573, 411146, 822292, 4728179, 9456358, 18912716]

約数ペア:

[(1, 18912716), (2, 9456358), (4, 4728179), (23, 822292), (46, 411146), (92, 205573), (241, 78476), (482, 39238), (853, 22172), (964, 19619), (1706, 11086), (3412, 5543)]