18777216

素因数分解:

$2^7\times 3^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 50453280

約数和(自身を除く): 31676064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 128, 192, 214, 321, 384, 428, 457, 642, 856, 914, 1284, 1371, 1712, 1828, 2568, 2742, 3424, 3656, 5136, 5484, 6848, 7312, 10272, 10968, 13696, 14624, 20544, 21936, 29248, 41088, 43872, 48899, 58496, 87744, 97798, 146697, 175488, 195596, 293394, 391192, 586788, 782384, 1173576, 1564768, 2347152, 3129536, 4694304, 6259072, 9388608, 18777216]

約数ペア:

[(1, 18777216), (2, 9388608), (3, 6259072), (4, 4694304), (6, 3129536), (8, 2347152), (12, 1564768), (16, 1173576), (24, 782384), (32, 586788), (48, 391192), (64, 293394), (96, 195596), (107, 175488), (128, 146697), (192, 97798), (214, 87744), (321, 58496), (384, 48899), (428, 43872), (457, 41088), (642, 29248), (856, 21936), (914, 20544), (1284, 14624), (1371, 13696), (1712, 10968), (1828, 10272), (2568, 7312), (2742, 6848), (3424, 5484), (3656, 5136)]