890443018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{1201}}^1$

素因数の和:1510

約数の個数: 32

約数和(自身を含む): 1427976000

約数和(自身を除く): 537532982

約数列:

[1, 2, 19, 38, 109, 179, 218, 358, 1201, 2071, 2402, 3401, 4142, 6802, 19511, 22819, 39022, 45638, 130909, 214979, 261818, 370709, 429958, 741418, 2487271, 4084601, 4974542, 8169202, 23432711, 46865422, 445221509, 890443018]

約数ペア:

[(1, 890443018), (2, 445221509), (19, 46865422), (38, 23432711), (109, 8169202), (179, 4974542), (218, 4084601), (358, 2487271), (1201, 741418), (2071, 429958), (2402, 370709), (3401, 261818), (4142, 214979), (6802, 130909), (19511, 45638), (22819, 39022)]