19478401

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 22576320

約数和(自身を除く): 3097919

約数列:

[1, 19, 23, 29, 53, 437, 551, 667, 841, 1007, 1219, 1537, 12673, 15979, 19343, 23161, 29203, 35351, 44573, 367517, 671669, 846887, 1025179, 19478401]

約数ペア:

[(1, 19478401), (19, 1025179), (23, 846887), (29, 671669), (53, 367517), (437, 44573), (551, 35351), (667, 29203), (841, 23161), (1007, 19343), (1219, 15979), (1537, 12673)]