19005550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 36997632

約数和(自身を除く): 17992082

約数列:

[1, 2, 5, 10, 25, 41, 50, 73, 82, 127, 146, 205, 254, 365, 410, 635, 730, 1025, 1270, 1825, 2050, 2993, 3175, 3650, 5207, 5986, 6350, 9271, 10414, 14965, 18542, 26035, 29930, 46355, 52070, 74825, 92710, 130175, 149650, 231775, 260350, 380111, 463550, 760222, 1900555, 3801110, 9502775, 19005550]

約数ペア:

[(1, 19005550), (2, 9502775), (5, 3801110), (10, 1900555), (25, 760222), (41, 463550), (50, 380111), (73, 260350), (82, 231775), (127, 149650), (146, 130175), (205, 92710), (254, 74825), (365, 52070), (410, 46355), (635, 29930), (730, 26035), (1025, 18542), (1270, 14965), (1825, 10414), (2050, 9271), (2993, 6350), (3175, 5986), (3650, 5207)]