18128163

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 26426880

約数和(自身を除く): 8298717

約数列:

[1, 3, 23, 59, 61, 69, 73, 177, 183, 219, 1357, 1403, 1679, 3599, 4071, 4209, 4307, 4453, 5037, 10797, 12921, 13359, 82777, 99061, 102419, 248331, 262727, 297183, 307257, 788181, 6042721, 18128163]

約数ペア:

[(1, 18128163), (3, 6042721), (23, 788181), (59, 307257), (61, 297183), (69, 262727), (73, 248331), (177, 102419), (183, 99061), (219, 82777), (1357, 13359), (1403, 12921), (1679, 10797), (3599, 5037), (4071, 4453), (4209, 4307)]