19036721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 21326208

約数和(自身を除く): 2289487

約数列:

[1, 11, 73, 151, 157, 803, 1661, 1727, 11023, 11461, 23707, 121253, 126071, 260777, 1730611, 19036721]

約数ペア:

[(1, 19036721), (11, 1730611), (73, 260777), (151, 126071), (157, 121253), (803, 23707), (1661, 11461), (1727, 11023)]