18832880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21401}}^1$

素因数の和:21425

約数の個数: 40

約数和(自身を含む): 47769264

約数和(自身を除く): 28936384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21401, 42802, 85604, 107005, 171208, 214010, 235411, 342416, 428020, 470822, 856040, 941644, 1177055, 1712080, 1883288, 2354110, 3766576, 4708220, 9416440, 18832880]

約数ペア:

[(1, 18832880), (2, 9416440), (4, 4708220), (5, 3766576), (8, 2354110), (10, 1883288), (11, 1712080), (16, 1177055), (20, 941644), (22, 856040), (40, 470822), (44, 428020), (55, 342416), (80, 235411), (88, 214010), (110, 171208), (176, 107005), (220, 85604), (440, 42802), (880, 21401)]