19973701

素因数分解:

${\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 2379707

約数列:

[1, 11, 83, 131, 167, 913, 1441, 1837, 10873, 13861, 21877, 119603, 152471, 240647, 1815791, 19973701]

約数ペア:

[(1, 19973701), (11, 1815791), (83, 240647), (131, 152471), (167, 119603), (913, 21877), (1441, 13861), (1837, 10873)]