18278361

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 28028000

約数和(自身を除く): 9749639

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 769, 1251, 2307, 2641, 6921, 7923, 14611, 23769, 43833, 106891, 131499, 320673, 962019, 2030929, 6092787, 18278361]

約数ペア:

[(1, 18278361), (3, 6092787), (9, 2030929), (19, 962019), (57, 320673), (139, 131499), (171, 106891), (417, 43833), (769, 23769), (1251, 14611), (2307, 7923), (2641, 6921)]