18774998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4933}}^1$

素因数の和:5119

約数の個数: 16

約数和(自身を含む): 30906576

約数和(自身を除く): 12131578

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 4933, 9866, 54263, 108526, 853409, 1706818, 9387499, 18774998]

約数ペア:

[(1, 18774998), (2, 9387499), (11, 1706818), (22, 853409), (173, 108526), (346, 54263), (1903, 9866), (3806, 4933)]