18728078

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:731

約数の個数: 16

約数和(自身を含む): 28560480

約数和(自身を除く): 9832402

約数列:

[1, 2, 103, 206, 229, 397, 458, 794, 23587, 40891, 47174, 81782, 90913, 181826, 9364039, 18728078]

約数ペア:

[(1, 18728078), (2, 9364039), (103, 181826), (206, 90913), (229, 81782), (397, 47174), (458, 40891), (794, 23587)]