19876166

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12783034

約数列:

[1, 2, 19, 38, 53, 71, 106, 139, 142, 278, 1007, 1349, 2014, 2641, 2698, 3763, 5282, 7367, 7526, 9869, 14734, 19738, 71497, 139973, 142994, 187511, 279946, 375022, 523057, 1046114, 9938083, 19876166]

約数ペア:

[(1, 19876166), (2, 9938083), (19, 1046114), (38, 523057), (53, 375022), (71, 279946), (106, 187511), (139, 142994), (142, 139973), (278, 71497), (1007, 19738), (1349, 14734), (2014, 9869), (2641, 7526), (2698, 7367), (3763, 5282)]