18465280

素因数分解:

$2^9\times 5^1\times {\mathrm{7213}}^1$

素因数の和:7236

約数の個数: 40

約数和(自身を含む): 44279532

約数和(自身を除く): 25814252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7213, 14426, 28852, 36065, 57704, 72130, 115408, 144260, 230816, 288520, 461632, 577040, 923264, 1154080, 1846528, 2308160, 3693056, 4616320, 9232640, 18465280]

約数ペア:

[(1, 18465280), (2, 9232640), (4, 4616320), (5, 3693056), (8, 2308160), (10, 1846528), (16, 1154080), (20, 923264), (32, 577040), (40, 461632), (64, 288520), (80, 230816), (128, 144260), (160, 115408), (256, 72130), (320, 57704), (512, 36065), (640, 28852), (1280, 14426), (2560, 7213)]