18915662277

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1156709}}^1$

素因数の和:1156817

約数の個数: 24

約数和(自身を含む): 28871481600

約数和(自身を除く): 9955819323

約数列:

[1, 3, 9, 23, 69, 79, 207, 237, 711, 1817, 5451, 16353, 1156709, 3470127, 10410381, 26604307, 79812921, 91380011, 239438763, 274140033, 822420099, 2101740253, 6305220759, 18915662277]

約数ペア:

[(1, 18915662277), (3, 6305220759), (9, 2101740253), (23, 822420099), (69, 274140033), (79, 239438763), (207, 91380011), (237, 79812921), (711, 26604307), (1817, 10410381), (5451, 3470127), (16353, 1156709)]