19001233

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 1320047

約数列:

[1, 31, 71, 89, 97, 2201, 2759, 3007, 6319, 6887, 8633, 195889, 213497, 267623, 612943, 19001233]

約数ペア:

[(1, 19001233), (31, 612943), (71, 267623), (89, 213497), (97, 195889), (2201, 8633), (2759, 6887), (3007, 6319)]