16881048

素因数分解:

$2^3\times 3^4\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 47916000

約数和(自身を除く): 31034952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 109, 162, 216, 218, 239, 324, 327, 436, 478, 648, 654, 717, 872, 956, 981, 1308, 1434, 1912, 1962, 2151, 2616, 2868, 2943, 3924, 4302, 5736, 5886, 6453, 7848, 8604, 8829, 11772, 12906, 17208, 17658, 19359, 23544, 25812, 26051, 35316, 38718, 51624, 52102, 70632, 77436, 78153, 104204, 154872, 156306, 208408, 234459, 312612, 468918, 625224, 703377, 937836, 1406754, 1875672, 2110131, 2813508, 4220262, 5627016, 8440524, 16881048]

約数ペア:

[(1, 16881048), (2, 8440524), (3, 5627016), (4, 4220262), (6, 2813508), (8, 2110131), (9, 1875672), (12, 1406754), (18, 937836), (24, 703377), (27, 625224), (36, 468918), (54, 312612), (72, 234459), (81, 208408), (108, 156306), (109, 154872), (162, 104204), (216, 78153), (218, 77436), (239, 70632), (324, 52102), (327, 51624), (436, 38718), (478, 35316), (648, 26051), (654, 25812), (717, 23544), (872, 19359), (956, 17658), (981, 17208), (1308, 12906), (1434, 11772), (1912, 8829), (1962, 8604), (2151, 7848), (2616, 6453), (2868, 5886), (2943, 5736), (3924, 4302)]