19735317

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18427}}^1$

素因数の和:18457

約数の個数: 24

約数和(自身を含む): 34497216

約数和(自身を除く): 14761899

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18427, 55281, 128989, 165843, 313259, 386967, 939777, 1160901, 2192813, 2819331, 6578439, 19735317]

約数ペア:

[(1, 19735317), (3, 6578439), (7, 2819331), (9, 2192813), (17, 1160901), (21, 939777), (51, 386967), (63, 313259), (119, 165843), (153, 128989), (357, 55281), (1071, 18427)]