19883435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27809}}^1$

素因数の和:27838

約数の個数: 16

約数和(自身を含む): 28032480

約数和(自身を除く): 8149045

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27809, 139045, 305899, 361517, 1529495, 1807585, 3976687, 19883435]

約数ペア:

[(1, 19883435), (5, 3976687), (11, 1807585), (13, 1529495), (55, 361517), (65, 305899), (143, 139045), (715, 27809)]