18290293

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1217}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 22216320

約数和(自身を除く): 3926027

約数列:

[1, 7, 19, 113, 133, 791, 1217, 2147, 8519, 15029, 23123, 137521, 161861, 962647, 2612899, 18290293]

約数ペア:

[(1, 18290293), (7, 2612899), (19, 962647), (113, 161861), (133, 137521), (791, 23123), (1217, 15029), (2147, 8519)]