18567778

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{571}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 28416960

約数和(自身を除く): 9849182

約数列:

[1, 2, 71, 142, 229, 458, 571, 1142, 16259, 32518, 40541, 81082, 130759, 261518, 9283889, 18567778]

約数ペア:

[(1, 18567778), (2, 9283889), (71, 261518), (142, 130759), (229, 81082), (458, 40541), (571, 32518), (1142, 16259)]