19948288

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2687}}^1$

素因数の和:2732

約数の個数: 36

約数和(自身を含む): 41207040

約数和(自身を除く): 21258752

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2687, 3712, 5374, 7424, 10748, 21496, 42992, 77923, 85984, 155846, 171968, 311692, 343936, 623384, 687872, 1246768, 2493536, 4987072, 9974144, 19948288]

約数ペア:

[(1, 19948288), (2, 9974144), (4, 4987072), (8, 2493536), (16, 1246768), (29, 687872), (32, 623384), (58, 343936), (64, 311692), (116, 171968), (128, 155846), (232, 85984), (256, 77923), (464, 42992), (928, 21496), (1856, 10748), (2687, 7424), (3712, 5374)]