18235520

素因数分解:

$2^7\times 5^1\times {\mathrm{28493}}^1$

素因数の和:28512

約数の個数: 32

約数和(自身を含む): 43595820

約数和(自身を除く): 25360300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28493, 56986, 113972, 142465, 227944, 284930, 455888, 569860, 911776, 1139720, 1823552, 2279440, 3647104, 4558880, 9117760, 18235520]

約数ペア:

[(1, 18235520), (2, 9117760), (4, 4558880), (5, 3647104), (8, 2279440), (10, 1823552), (16, 1139720), (20, 911776), (32, 569860), (40, 455888), (64, 284930), (80, 227944), (128, 142465), (160, 113972), (320, 56986), (640, 28493)]