19718552

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1579}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 42470400

約数和(自身を除く): 22751848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1579, 1784, 3122, 3158, 6244, 6316, 11053, 12488, 12632, 22106, 44212, 88424, 352117, 704234, 1408468, 2464819, 2816936, 4929638, 9859276, 19718552]

約数ペア:

[(1, 19718552), (2, 9859276), (4, 4929638), (7, 2816936), (8, 2464819), (14, 1408468), (28, 704234), (56, 352117), (223, 88424), (446, 44212), (892, 22106), (1561, 12632), (1579, 12488), (1784, 11053), (3122, 6316), (3158, 6244)]