18974680

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1619}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 42865200

約数和(自身を除く): 23890520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 1619, 2344, 2930, 3238, 5860, 6476, 8095, 11720, 12952, 16190, 32380, 64760, 474367, 948734, 1897468, 2371835, 3794936, 4743670, 9487340, 18974680]

約数ペア:

[(1, 18974680), (2, 9487340), (4, 4743670), (5, 3794936), (8, 2371835), (10, 1897468), (20, 948734), (40, 474367), (293, 64760), (586, 32380), (1172, 16190), (1465, 12952), (1619, 11720), (2344, 8095), (2930, 6476), (3238, 5860)]