19966284

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{14221}}^1$

素因数の和:14247

約数の個数: 48

約数和(自身を含む): 55750240

約数和(自身を除く): 35783956

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 14221, 28442, 42663, 56884, 85326, 127989, 170652, 184873, 255978, 369746, 383967, 511956, 554619, 739492, 767934, 1109238, 1535868, 1663857, 2218476, 3327714, 4991571, 6655428, 9983142, 19966284]

約数ペア:

[(1, 19966284), (2, 9983142), (3, 6655428), (4, 4991571), (6, 3327714), (9, 2218476), (12, 1663857), (13, 1535868), (18, 1109238), (26, 767934), (27, 739492), (36, 554619), (39, 511956), (52, 383967), (54, 369746), (78, 255978), (108, 184873), (117, 170652), (156, 127989), (234, 85326), (351, 56884), (468, 42663), (702, 28442), (1404, 14221)]