18666948905

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{147629}}^1$

素因数の和:147686

約数の個数: 32

約数和(自身を含む): 25935638400

約数和(自身を除く): 7268689495

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 1331, 2299, 6655, 11495, 25289, 126445, 147629, 738145, 1623919, 2804951, 8119595, 14024755, 17863109, 30854461, 89315545, 154272305, 196494199, 339399071, 982470995, 1696995355, 3733389781, 18666948905]

約数ペア:

[(1, 18666948905), (5, 3733389781), (11, 1696995355), (19, 982470995), (55, 339399071), (95, 196494199), (121, 154272305), (209, 89315545), (605, 30854461), (1045, 17863109), (1331, 14024755), (2299, 8119595), (6655, 2804951), (11495, 1623919), (25289, 738145), (126445, 147629)]