17418940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11311}}^1$

素因数の和:11338

約数の個数: 48

約数和(自身を含む): 45609984

約数和(自身を除く): 28191044

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, 11311, 22622, 45244, 56555, 79177, 113110, 124421, 158354, 226220, 248842, 316708, 395885, 497684, 622105, 791770, 870947, 1244210, 1583540, 1741894, 2488420, 3483788, 4354735, 8709470, 17418940]

約数ペア:

[(1, 17418940), (2, 8709470), (4, 4354735), (5, 3483788), (7, 2488420), (10, 1741894), (11, 1583540), (14, 1244210), (20, 870947), (22, 791770), (28, 622105), (35, 497684), (44, 395885), (55, 316708), (70, 248842), (77, 226220), (110, 158354), (140, 124421), (154, 113110), (220, 79177), (308, 56555), (385, 45244), (770, 22622), (1540, 11311)]