17934220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21871}}^1$

素因数の和:21921

約数の個数: 24

約数和(自身を含む): 38582208

約数和(自身を除く): 20647988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21871, 43742, 87484, 109355, 218710, 437420, 896711, 1793422, 3586844, 4483555, 8967110, 17934220]

約数ペア:

[(1, 17934220), (2, 8967110), (4, 4483555), (5, 3586844), (10, 1793422), (20, 896711), (41, 437420), (82, 218710), (164, 109355), (205, 87484), (410, 43742), (820, 21871)]