18716697

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4007}}^1$

素因数の和:4189

約数の個数: 16

約数和(自身を含む): 27895680

約数和(自身を除く): 9178983

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4007, 4671, 12021, 36063, 108189, 693211, 2079633, 6238899, 18716697]

約数ペア:

[(1, 18716697), (3, 6238899), (9, 2079633), (27, 693211), (173, 108189), (519, 36063), (1557, 12021), (4007, 4671)]