18667862

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{1051}}^1$

素因数の和:1243

約数の個数: 16

約数和(自身を含む): 28631232

約数和(自身を除く): 9963370

約数列:

[1, 2, 83, 107, 166, 214, 1051, 2102, 8881, 17762, 87233, 112457, 174466, 224914, 9333931, 18667862]

約数ペア:

[(1, 18667862), (2, 9333931), (83, 224914), (107, 174466), (166, 112457), (214, 87233), (1051, 17762), (2102, 8881)]