19560879

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2423}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 32578560

約数和(自身を除く): 13017681

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2423, 2691, 7269, 8073, 21807, 31499, 55729, 65421, 94497, 167187, 283491, 501561, 724477, 850473, 1504683, 2173431, 6520293, 19560879]

約数ペア:

[(1, 19560879), (3, 6520293), (9, 2173431), (13, 1504683), (23, 850473), (27, 724477), (39, 501561), (69, 283491), (117, 167187), (207, 94497), (299, 65421), (351, 55729), (621, 31499), (897, 21807), (2423, 8073), (2691, 7269)]