18316288

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 44

約数和(自身を含む): 37861312

約数和(自身を除く): 19545024

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 577, 992, 1024, 1154, 1984, 2308, 3968, 4616, 7936, 9232, 15872, 17887, 18464, 31744, 35774, 36928, 71548, 73856, 143096, 147712, 286192, 295424, 572384, 590848, 1144768, 2289536, 4579072, 9158144, 18316288]

約数ペア:

[(1, 18316288), (2, 9158144), (4, 4579072), (8, 2289536), (16, 1144768), (31, 590848), (32, 572384), (62, 295424), (64, 286192), (124, 147712), (128, 143096), (248, 73856), (256, 71548), (496, 36928), (512, 35774), (577, 31744), (992, 18464), (1024, 17887), (1154, 15872), (1984, 9232), (2308, 7936), (3968, 4616)]