19228615

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1901}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 28027872

約数和(自身を除く): 8799257

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1445, 1901, 2023, 9505, 10115, 13307, 32317, 66535, 161585, 226219, 549389, 1131095, 2746945, 3845723, 19228615]

約数ペア:

[(1, 19228615), (5, 3845723), (7, 2746945), (17, 1131095), (35, 549389), (85, 226219), (119, 161585), (289, 66535), (595, 32317), (1445, 13307), (1901, 10115), (2023, 9505)]