19837845

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6389}}^1$

素因数の和:6426

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16968555

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6389, 19167, 31945, 57501, 95835, 146947, 172503, 287505, 440841, 734735, 862515, 1322523, 2204205, 3967569, 6612615, 19837845]

約数ペア:

[(1, 19837845), (3, 6612615), (5, 3967569), (9, 2204205), (15, 1322523), (23, 862515), (27, 734735), (45, 440841), (69, 287505), (115, 172503), (135, 146947), (207, 95835), (345, 57501), (621, 31945), (1035, 19167), (3105, 6389)]