18731943

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 28843776

約数和(自身を除く): 10111833

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 641, 1719, 1923, 3247, 5769, 9741, 10897, 29223, 32691, 98073, 122431, 367293, 1101879, 2081327, 6243981, 18731943]

約数ペア:

[(1, 18731943), (3, 6243981), (9, 2081327), (17, 1101879), (51, 367293), (153, 122431), (191, 98073), (573, 32691), (641, 29223), (1719, 10897), (1923, 9741), (3247, 5769)]