19765647

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 32497920

約数和(自身を除く): 12732273

約数列:

[1, 3, 9, 11, 27, 33, 61, 99, 183, 297, 549, 671, 1091, 1647, 2013, 3273, 6039, 9819, 12001, 18117, 29457, 36003, 66551, 108009, 199653, 324027, 598959, 732061, 1796877, 2196183, 6588549, 19765647]

約数ペア:

[(1, 19765647), (3, 6588549), (9, 2196183), (11, 1796877), (27, 732061), (33, 598959), (61, 324027), (99, 199653), (183, 108009), (297, 66551), (549, 36003), (671, 29457), (1091, 18117), (1647, 12001), (2013, 9819), (3273, 6039)]