18831442

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9677}}^1$

素因数の和:9825

約数の個数: 16

約数和(自身を含む): 32518080

約数和(自身を除く): 13686638

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9677, 19354, 67739, 135478, 1345103, 2690206, 9415721, 18831442]

約数ペア:

[(1, 18831442), (2, 9415721), (7, 2690206), (14, 1345103), (139, 135478), (278, 67739), (973, 19354), (1946, 9677)]