18708642

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{14639}}^1$

素因数の和:14718

約数の個数: 24

約数和(自身を含む): 41109120

約数和(自身を除く): 22400478

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 14639, 29278, 43917, 87834, 131751, 263502, 1039369, 2078738, 3118107, 6236214, 9354321, 18708642]

約数ペア:

[(1, 18708642), (2, 9354321), (3, 6236214), (6, 3118107), (9, 2078738), (18, 1039369), (71, 263502), (142, 131751), (213, 87834), (426, 43917), (639, 29278), (1278, 14639)]