19856529

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9551}}^1$

素因数の和:9578

約数の個数: 32

約数和(自身を含む): 36679680

約数和(自身を除く): 16823151

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 9551, 28653, 66857, 85959, 105061, 200571, 257877, 315183, 601713, 735427, 945549, 1805139, 2206281, 2836647, 6618843, 19856529]

約数ペア:

[(1, 19856529), (3, 6618843), (7, 2836647), (9, 2206281), (11, 1805139), (21, 945549), (27, 735427), (33, 601713), (63, 315183), (77, 257877), (99, 200571), (189, 105061), (231, 85959), (297, 66857), (693, 28653), (2079, 9551)]