19028709

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 34564800

約数和(自身を除く): 15536091

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 757, 931, 1197, 1323, 2271, 2793, 3591, 5299, 6813, 8379, 14383, 15897, 20439, 25137, 37093, 43149, 47691, 100681, 111279, 129447, 143073, 302043, 333837, 388341, 704767, 906129, 1001511, 2114301, 2718387, 6342903, 19028709]

約数ペア:

[(1, 19028709), (3, 6342903), (7, 2718387), (9, 2114301), (19, 1001511), (21, 906129), (27, 704767), (49, 388341), (57, 333837), (63, 302043), (133, 143073), (147, 129447), (171, 111279), (189, 100681), (399, 47691), (441, 43149), (513, 37093), (757, 25137), (931, 20439), (1197, 15897), (1323, 14383), (2271, 8379), (2793, 6813), (3591, 5299)]