18740734

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:831

約数の個数: 16

約数和(自身を含む): 28670976

約数和(自身を除く): 9930242

約数列:

[1, 2, 71, 142, 271, 487, 542, 974, 19241, 34577, 38482, 69154, 131977, 263954, 9370367, 18740734]

約数ペア:

[(1, 18740734), (2, 9370367), (71, 263954), (142, 131977), (271, 69154), (487, 38482), (542, 34577), (974, 19241)]