18800756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18454924

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 107, 109, 124, 214, 218, 403, 428, 436, 806, 1391, 1417, 1612, 2782, 2834, 3317, 3379, 5564, 5668, 6634, 6758, 11663, 13268, 13516, 23326, 43121, 43927, 46652, 86242, 87854, 151619, 172484, 175708, 303238, 361553, 606476, 723106, 1446212, 4700189, 9400378, 18800756]

約数ペア:

[(1, 18800756), (2, 9400378), (4, 4700189), (13, 1446212), (26, 723106), (31, 606476), (52, 361553), (62, 303238), (107, 175708), (109, 172484), (124, 151619), (214, 87854), (218, 86242), (403, 46652), (428, 43927), (436, 43121), (806, 23326), (1391, 13516), (1417, 13268), (1612, 11663), (2782, 6758), (2834, 6634), (3317, 5668), (3379, 5564)]