18938982

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137239}}^1$

素因数の和:137267

約数の個数: 16

約数和(自身を含む): 39525120

約数和(自身を除く): 20586138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 137239, 274478, 411717, 823434, 3156497, 6312994, 9469491, 18938982]

約数ペア:

[(1, 18938982), (2, 9469491), (3, 6312994), (6, 3156497), (23, 823434), (46, 411717), (69, 274478), (138, 137239)]