18590720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3631}}^1$

素因数の和:3656

約数の個数: 44

約数和(自身を含む): 44608224

約数和(自身を除く): 26017504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3631, 5120, 7262, 14524, 18155, 29048, 36310, 58096, 72620, 116192, 145240, 232384, 290480, 464768, 580960, 929536, 1161920, 1859072, 2323840, 3718144, 4647680, 9295360, 18590720]

約数ペア:

[(1, 18590720), (2, 9295360), (4, 4647680), (5, 3718144), (8, 2323840), (10, 1859072), (16, 1161920), (20, 929536), (32, 580960), (40, 464768), (64, 290480), (80, 232384), (128, 145240), (160, 116192), (256, 72620), (320, 58096), (512, 36310), (640, 29048), (1024, 18155), (1280, 14524), (2560, 7262), (3631, 5120)]