19938942

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 45873360

約数和(自身を除く): 25934418

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 173, 337, 342, 346, 519, 674, 1011, 1038, 1557, 2022, 3033, 3114, 3287, 6066, 6403, 6574, 9861, 12806, 19209, 19722, 29583, 38418, 57627, 58301, 59166, 115254, 116602, 174903, 349806, 524709, 1049418, 1107719, 2215438, 3323157, 6646314, 9969471, 19938942]

約数ペア:

[(1, 19938942), (2, 9969471), (3, 6646314), (6, 3323157), (9, 2215438), (18, 1107719), (19, 1049418), (38, 524709), (57, 349806), (114, 174903), (171, 116602), (173, 115254), (337, 59166), (342, 58301), (346, 57627), (519, 38418), (674, 29583), (1011, 19722), (1038, 19209), (1557, 12806), (2022, 9861), (3033, 6574), (3114, 6403), (3287, 6066)]