19838006

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12510154

約数列:

[1, 2, 23, 46, 53, 79, 103, 106, 158, 206, 1219, 1817, 2369, 2438, 3634, 4187, 4738, 5459, 8137, 8374, 10918, 16274, 96301, 125557, 187151, 192602, 251114, 374302, 431261, 862522, 9919003, 19838006]

約数ペア:

[(1, 19838006), (2, 9919003), (23, 862522), (46, 431261), (53, 374302), (79, 251114), (103, 192602), (106, 187151), (158, 125557), (206, 96301), (1219, 16274), (1817, 10918), (2369, 8374), (2438, 8137), (3634, 5459), (4187, 4738)]