19005491650

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{22129}}^1$

素因数の和:22423

約数の個数: 48

約数和(自身を含む): 35934251400

約数和(自身を除く): 16928759750

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 193, 386, 445, 890, 965, 1930, 2225, 4450, 4825, 9650, 17177, 22129, 34354, 44258, 85885, 110645, 171770, 221290, 429425, 553225, 858850, 1106450, 1969481, 3938962, 4270897, 8541794, 9847405, 19694810, 21354485, 42708970, 49237025, 98474050, 106772425, 213544850, 380109833, 760219666, 1900549165, 3801098330, 9502745825, 19005491650]

約数ペア:

[(1, 19005491650), (2, 9502745825), (5, 3801098330), (10, 1900549165), (25, 760219666), (50, 380109833), (89, 213544850), (178, 106772425), (193, 98474050), (386, 49237025), (445, 42708970), (890, 21354485), (965, 19694810), (1930, 9847405), (2225, 8541794), (4450, 4270897), (4825, 3938962), (9650, 1969481), (17177, 1106450), (22129, 858850), (34354, 553225), (44258, 429425), (85885, 221290), (110645, 171770)]