19389051

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 32338944

約数和(自身を除く): 12949893

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 297, 423, 463, 517, 891, 1269, 1389, 1551, 3807, 4167, 4653, 5093, 12501, 13959, 15279, 21761, 37503, 41877, 45837, 65283, 137511, 195849, 239371, 412533, 587547, 718113, 1762641, 2154339, 6463017, 19389051]

約数ペア:

[(1, 19389051), (3, 6463017), (9, 2154339), (11, 1762641), (27, 718113), (33, 587547), (47, 412533), (81, 239371), (99, 195849), (141, 137511), (297, 65283), (423, 45837), (463, 41877), (517, 37503), (891, 21761), (1269, 15279), (1389, 13959), (1551, 12501), (3807, 5093), (4167, 4653)]