19856712

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 31845048

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 71, 86, 129, 142, 172, 213, 258, 271, 284, 344, 426, 516, 542, 568, 813, 852, 1032, 1084, 1626, 1704, 2168, 3053, 3252, 6106, 6504, 9159, 11653, 12212, 18318, 19241, 23306, 24424, 34959, 36636, 38482, 46612, 57723, 69918, 73272, 76964, 93224, 115446, 139836, 153928, 230892, 279672, 461784, 827363, 1654726, 2482089, 3309452, 4964178, 6618904, 9928356, 19856712]

約数ペア:

[(1, 19856712), (2, 9928356), (3, 6618904), (4, 4964178), (6, 3309452), (8, 2482089), (12, 1654726), (24, 827363), (43, 461784), (71, 279672), (86, 230892), (129, 153928), (142, 139836), (172, 115446), (213, 93224), (258, 76964), (271, 73272), (284, 69918), (344, 57723), (426, 46612), (516, 38482), (542, 36636), (568, 34959), (813, 24424), (852, 23306), (1032, 19241), (1084, 18318), (1626, 12212), (1704, 11653), (2168, 9159), (3053, 6504), (3252, 6106)]