20190207

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3559}}^1$

素因数の和:3654

約数の個数: 16

約数和(自身を含む): 28252160

約数和(自身を除く): 8061953

約数列:

[1, 3, 31, 61, 93, 183, 1891, 3559, 5673, 10677, 110329, 217099, 330987, 651297, 6730069, 20190207]

約数ペア:

[(1, 20190207), (3, 6730069), (31, 651297), (61, 330987), (93, 217099), (183, 110329), (1891, 10677), (3559, 5673)]