19727055

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 36694944

約数和(自身を除く): 16967889

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 107, 153, 241, 255, 321, 535, 723, 765, 963, 1205, 1605, 1819, 2169, 3615, 4097, 4815, 5457, 9095, 10845, 12291, 16371, 20485, 25787, 27285, 36873, 61455, 77361, 81855, 128935, 184365, 232083, 386805, 438379, 1160415, 1315137, 2191895, 3945411, 6575685, 19727055]

約数ペア:

[(1, 19727055), (3, 6575685), (5, 3945411), (9, 2191895), (15, 1315137), (17, 1160415), (45, 438379), (51, 386805), (85, 232083), (107, 184365), (153, 128935), (241, 81855), (255, 77361), (321, 61455), (535, 36873), (723, 27285), (765, 25787), (963, 20485), (1205, 16371), (1605, 12291), (1819, 10845), (2169, 9095), (3615, 5457), (4097, 4815)]