2019987530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{47207}}^1$

素因数の和:47614

約数の個数: 32

約数和(自身を含む): 3976801920

約数和(自身を除く): 1956814390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 3890, 4279, 8558, 21395, 42790, 47207, 94414, 236035, 472070, 519277, 1038554, 2596385, 5192770, 18363523, 36727046, 91817615, 183635230, 201998753, 403997506, 1009993765, 2019987530]

約数ペア:

[(1, 2019987530), (2, 1009993765), (5, 403997506), (10, 201998753), (11, 183635230), (22, 91817615), (55, 36727046), (110, 18363523), (389, 5192770), (778, 2596385), (1945, 1038554), (3890, 519277), (4279, 472070), (8558, 236035), (21395, 94414), (42790, 47207)]