18542080

素因数分解:

$2^9\times 5^1\times {\mathrm{7243}}^1$

素因数の和:7266

約数の個数: 40

約数和(自身を含む): 44463672

約数和(自身を除く): 25921592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7243, 14486, 28972, 36215, 57944, 72430, 115888, 144860, 231776, 289720, 463552, 579440, 927104, 1158880, 1854208, 2317760, 3708416, 4635520, 9271040, 18542080]

約数ペア:

[(1, 18542080), (2, 9271040), (4, 4635520), (5, 3708416), (8, 2317760), (10, 1854208), (16, 1158880), (20, 927104), (32, 579440), (40, 463552), (64, 289720), (80, 231776), (128, 144860), (160, 115888), (256, 72430), (320, 57944), (512, 36215), (640, 28972), (1280, 14486), (2560, 7243)]