18982197

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8539}}^1$

素因数の和:8577

約数の個数: 24

約数和(自身を含む): 31085600

約数和(自身を除く): 12103403

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8539, 25617, 76851, 111007, 162241, 333021, 486723, 999063, 1460169, 2109133, 6327399, 18982197]

約数ペア:

[(1, 18982197), (3, 6327399), (9, 2109133), (13, 1460169), (19, 999063), (39, 486723), (57, 333021), (117, 162241), (171, 111007), (247, 76851), (741, 25617), (2223, 8539)]