2019418940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1311311}}^1$

素因数の和:1311338

約数の個数: 48

約数和(自身を含む): 5287209984

約数和(自身を除く): 3267791044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1311311, 2622622, 5245244, 6556555, 9179177, 13113110, 14424421, 18358354, 26226220, 28848842, 36716708, 45895885, 57697684, 72122105, 91791770, 100970947, 144244210, 183583540, 201941894, 288488420, 403883788, 504854735, 1009709470, 2019418940]

約数ペア:

[(1, 2019418940), (2, 1009709470), (4, 504854735), (5, 403883788), (7, 288488420), (10, 201941894), (11, 183583540), (14, 144244210), (20, 100970947), (22, 91791770), (28, 72122105), (35, 57697684), (44, 45895885), (55, 36716708), (70, 28848842), (77, 26226220), (110, 18358354), (140, 14424421), (154, 13113110), (220, 9179177), (308, 6556555), (385, 5245244), (770, 2622622), (1540, 1311311)]