19946082

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 45351936

約数和(自身を除く): 25405854

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 73, 78, 93, 113, 146, 186, 219, 226, 339, 403, 438, 678, 806, 949, 1209, 1469, 1898, 2263, 2418, 2847, 2938, 3503, 4407, 4526, 5694, 6789, 7006, 8249, 8814, 10509, 13578, 16498, 21018, 24747, 29419, 45539, 49494, 58838, 88257, 91078, 107237, 136617, 176514, 214474, 255719, 273234, 321711, 511438, 643422, 767157, 1534314, 3324347, 6648694, 9973041, 19946082]

約数ペア:

[(1, 19946082), (2, 9973041), (3, 6648694), (6, 3324347), (13, 1534314), (26, 767157), (31, 643422), (39, 511438), (62, 321711), (73, 273234), (78, 255719), (93, 214474), (113, 176514), (146, 136617), (186, 107237), (219, 91078), (226, 88257), (339, 58838), (403, 49494), (438, 45539), (678, 29419), (806, 24747), (949, 21018), (1209, 16498), (1469, 13578), (1898, 10509), (2263, 8814), (2418, 8249), (2847, 7006), (2938, 6789), (3503, 5694), (4407, 4526)]