18916804587

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{54331}}^1\times {\mathrm{6827}}^1$

素因数の和:61178

約数の個数: 16

約数和(自身を含む): 26710480512

約数和(自身を除く): 7793675925

約数列:

[1, 3, 17, 51, 6827, 20481, 54331, 116059, 162993, 348177, 923627, 2770881, 370917737, 1112753211, 6305601529, 18916804587]

約数ペア:

[(1, 18916804587), (3, 6305601529), (17, 1112753211), (51, 370917737), (6827, 2770881), (20481, 923627), (54331, 348177), (116059, 162993)]