19708686

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 44259696

約数和(自身を除く): 24551010

約数列:

[1, 2, 3, 6, 9, 18, 53, 73, 106, 146, 159, 219, 283, 318, 438, 477, 566, 657, 849, 954, 1314, 1698, 2547, 3869, 5094, 7738, 11607, 14999, 20659, 23214, 29998, 34821, 41318, 44997, 61977, 69642, 89994, 123954, 134991, 185931, 269982, 371862, 1094927, 2189854, 3284781, 6569562, 9854343, 19708686]

約数ペア:

[(1, 19708686), (2, 9854343), (3, 6569562), (6, 3284781), (9, 2189854), (18, 1094927), (53, 371862), (73, 269982), (106, 185931), (146, 134991), (159, 123954), (219, 89994), (283, 69642), (318, 61977), (438, 44997), (477, 41318), (566, 34821), (657, 29998), (849, 23214), (954, 20659), (1314, 14999), (1698, 11607), (2547, 7738), (3869, 5094)]