19936768

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1693}}^1$

素因数の和:1734

約数の個数: 40

約数和(自身を含む): 41591088

約数和(自身を除く): 21654320

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 1693, 2944, 3386, 5888, 6772, 11776, 13544, 27088, 38939, 54176, 77878, 108352, 155756, 216704, 311512, 433408, 623024, 866816, 1246048, 2492096, 4984192, 9968384, 19936768]

約数ペア:

[(1, 19936768), (2, 9968384), (4, 4984192), (8, 2492096), (16, 1246048), (23, 866816), (32, 623024), (46, 433408), (64, 311512), (92, 216704), (128, 155756), (184, 108352), (256, 77878), (368, 54176), (512, 38939), (736, 27088), (1472, 13544), (1693, 11776), (2944, 6772), (3386, 5888)]