18607851

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 28238496

約数和(自身を除く): 9630645

約数列:

[1, 3, 9, 23, 69, 207, 241, 373, 723, 1119, 2169, 3357, 5543, 8579, 16629, 25737, 49887, 77211, 89893, 269679, 809037, 2067539, 6202617, 18607851]

約数ペア:

[(1, 18607851), (3, 6202617), (9, 2067539), (23, 809037), (69, 269679), (207, 89893), (241, 77211), (373, 49887), (723, 25737), (1119, 16629), (2169, 8579), (3357, 5543)]