18591859

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 22425552

約数和(自身を除く): 3833693

約数列:

[1, 11, 13, 73, 137, 143, 169, 803, 949, 1507, 1781, 1859, 10001, 10439, 12337, 19591, 23153, 110011, 130013, 135707, 254683, 1430143, 1690169, 18591859]

約数ペア:

[(1, 18591859), (11, 1690169), (13, 1430143), (73, 254683), (137, 135707), (143, 130013), (169, 110011), (803, 23153), (949, 19591), (1507, 12337), (1781, 10439), (1859, 10001)]