19122440

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2477}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 43265880

約数和(自身を除く): 24143440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2477, 3860, 4954, 7720, 9908, 12385, 19816, 24770, 49540, 99080, 478061, 956122, 1912244, 2390305, 3824488, 4780610, 9561220, 19122440]

約数ペア:

[(1, 19122440), (2, 9561220), (4, 4780610), (5, 3824488), (8, 2390305), (10, 1912244), (20, 956122), (40, 478061), (193, 99080), (386, 49540), (772, 24770), (965, 19816), (1544, 12385), (1930, 9908), (2477, 7720), (3860, 4954)]