18144470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78889}}^1$

素因数の和:78919

約数の個数: 16

約数和(自身を含む): 34080480

約数和(自身を除く): 15936010

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 78889, 157778, 394445, 788890, 1814447, 3628894, 9072235, 18144470]

約数ペア:

[(1, 18144470), (2, 9072235), (5, 3628894), (10, 1814447), (23, 788890), (46, 394445), (115, 157778), (230, 78889)]