19008880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21601}}^1$

素因数の和:21625

約数の個数: 40

約数和(自身を含む): 48215664

約数和(自身を除く): 29206784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21601, 43202, 86404, 108005, 172808, 216010, 237611, 345616, 432020, 475222, 864040, 950444, 1188055, 1728080, 1900888, 2376110, 3801776, 4752220, 9504440, 19008880]

約数ペア:

[(1, 19008880), (2, 9504440), (4, 4752220), (5, 3801776), (8, 2376110), (10, 1900888), (11, 1728080), (16, 1188055), (20, 950444), (22, 864040), (40, 475222), (44, 432020), (55, 345616), (80, 237611), (88, 216010), (110, 172808), (176, 108005), (220, 86404), (440, 43202), (880, 21601)]