19900173743

素因数分解:

${\mathrm{157}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1\times {\mathrm{823}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 20167782336

約数和(自身を除く): 267608593

約数列:

[1, 157, 233, 661, 823, 36581, 103777, 129211, 154013, 191759, 544003, 24180041, 30106163, 85408471, 126752699, 19900173743]

約数ペア:

[(1, 19900173743), (157, 126752699), (233, 85408471), (661, 30106163), (823, 24180041), (36581, 544003), (103777, 191759), (129211, 154013)]