18377541

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 34419840

約数和(自身を除く): 16042299

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1181, 1197, 1729, 2223, 3543, 5187, 8267, 10629, 15353, 15561, 22439, 24801, 46059, 67317, 74403, 107471, 138177, 157073, 201951, 291707, 322413, 471219, 875121, 967239, 1413657, 2041949, 2625363, 6125847, 18377541]

約数ペア:

[(1, 18377541), (3, 6125847), (7, 2625363), (9, 2041949), (13, 1413657), (19, 967239), (21, 875121), (39, 471219), (57, 322413), (63, 291707), (91, 201951), (117, 157073), (133, 138177), (171, 107471), (247, 74403), (273, 67317), (399, 46059), (741, 24801), (819, 22439), (1181, 15561), (1197, 15353), (1729, 10629), (2223, 8267), (3543, 5187)]