19442889

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 10969911

約数列:

[1, 3, 9, 23, 27, 69, 131, 207, 239, 393, 621, 717, 1179, 2151, 3013, 3537, 5497, 6453, 9039, 16491, 27117, 31309, 49473, 81351, 93927, 148419, 281781, 720107, 845343, 2160321, 6480963, 19442889]

約数ペア:

[(1, 19442889), (3, 6480963), (9, 2160321), (23, 845343), (27, 720107), (69, 281781), (131, 148419), (207, 93927), (239, 81351), (393, 49473), (621, 31309), (717, 27117), (1179, 16491), (2151, 9039), (3013, 6453), (3537, 5497)]