18889118

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{1451}}^1$

素因数の和:1759

約数の個数: 16

約数和(自身を含む): 29690496

約数和(自身を除く): 10801378

約数列:

[1, 2, 23, 46, 283, 566, 1451, 2902, 6509, 13018, 33373, 66746, 410633, 821266, 9444559, 18889118]

約数ペア:

[(1, 18889118), (2, 9444559), (23, 821266), (46, 410633), (283, 66746), (566, 33373), (1451, 13018), (2902, 6509)]