15981730

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17957}}^1$

素因数の和:18053

約数の個数: 16

約数和(自身を含む): 29091960

約数和(自身を除く): 13110230

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 17957, 35914, 89785, 179570, 1598173, 3196346, 7990865, 15981730]

約数ペア:

[(1, 15981730), (2, 7990865), (5, 3196346), (10, 1598173), (89, 179570), (178, 89785), (445, 35914), (890, 17957)]