19930872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 34259208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 127, 156, 254, 312, 381, 503, 508, 762, 1006, 1016, 1509, 1524, 1651, 2012, 3018, 3048, 3302, 4024, 4953, 6036, 6539, 6604, 9906, 12072, 13078, 13208, 19617, 19812, 26156, 39234, 39624, 52312, 63881, 78468, 127762, 156936, 191643, 255524, 383286, 511048, 766572, 830453, 1533144, 1660906, 2491359, 3321812, 4982718, 6643624, 9965436, 19930872]

約数ペア:

[(1, 19930872), (2, 9965436), (3, 6643624), (4, 4982718), (6, 3321812), (8, 2491359), (12, 1660906), (13, 1533144), (24, 830453), (26, 766572), (39, 511048), (52, 383286), (78, 255524), (104, 191643), (127, 156936), (156, 127762), (254, 78468), (312, 63881), (381, 52312), (503, 39624), (508, 39234), (762, 26156), (1006, 19812), (1016, 19617), (1509, 13208), (1524, 13078), (1651, 12072), (2012, 9906), (3018, 6604), (3048, 6539), (3302, 6036), (4024, 4953)]