19666564

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{887}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 36102528

約数和(自身を除く): 16435964

約数列:

[1, 2, 4, 23, 46, 92, 241, 482, 887, 964, 1774, 3548, 5543, 11086, 20401, 22172, 40802, 81604, 213767, 427534, 855068, 4916641, 9833282, 19666564]

約数ペア:

[(1, 19666564), (2, 9833282), (4, 4916641), (23, 855068), (46, 427534), (92, 213767), (241, 81604), (482, 40802), (887, 22172), (964, 20401), (1774, 11086), (3548, 5543)]