18306560

素因数分解:

$2^9\times 5^1\times {\mathrm{7151}}^1$

素因数の和:7174

約数の個数: 40

約数和(自身を含む): 43898976

約数和(自身を除く): 25592416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7151, 14302, 28604, 35755, 57208, 71510, 114416, 143020, 228832, 286040, 457664, 572080, 915328, 1144160, 1830656, 2288320, 3661312, 4576640, 9153280, 18306560]

約数ペア:

[(1, 18306560), (2, 9153280), (4, 4576640), (5, 3661312), (8, 2288320), (10, 1830656), (16, 1144160), (20, 915328), (32, 572080), (40, 457664), (64, 286040), (80, 228832), (128, 143020), (160, 114416), (256, 71510), (320, 57208), (512, 35755), (640, 28604), (1280, 14302), (2560, 7151)]