16899890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1901}}^1$

素因数の和:2042

約数の個数: 32

約数和(自身を含む): 35057664

約数和(自身を除く): 18157774

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 1901, 3802, 4445, 8890, 9505, 13307, 19010, 26614, 66535, 133070, 241427, 482854, 1207135, 1689989, 2414270, 3379978, 8449945, 16899890]

約数ペア:

[(1, 16899890), (2, 8449945), (5, 3379978), (7, 2414270), (10, 1689989), (14, 1207135), (35, 482854), (70, 241427), (127, 133070), (254, 66535), (635, 26614), (889, 19010), (1270, 13307), (1778, 9505), (1901, 8890), (3802, 4445)]