18478976

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4657}}^1$

素因数の和:4702

約数の個数: 32

約数和(自身を含む): 38009280

約数和(自身を除く): 19530304

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4657, 9314, 18628, 37256, 74512, 144367, 149024, 288734, 298048, 577468, 596096, 1154936, 2309872, 4619744, 9239488, 18478976]

約数ペア:

[(1, 18478976), (2, 9239488), (4, 4619744), (8, 2309872), (16, 1154936), (31, 596096), (32, 577468), (62, 298048), (64, 288734), (124, 149024), (128, 144367), (248, 74512), (496, 37256), (992, 18628), (1984, 9314), (3968, 4657)]