18762886

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 28715040

約数和(自身を除く): 9952154

約数列:

[1, 2, 71, 142, 229, 458, 577, 1154, 16259, 32518, 40967, 81934, 132133, 264266, 9381443, 18762886]

約数ペア:

[(1, 18762886), (2, 9381443), (71, 264266), (142, 132133), (229, 81934), (458, 40967), (577, 32518), (1154, 16259)]