17966505968

素因数分解:

$2^4\times {\mathrm{19891}}^1\times {\mathrm{56453}}^1$

素因数の和:76352

約数の個数: 20

約数和(自身を含む): 34812472008

約数和(自身を除く): 16845966040

約数列:

[1, 2, 4, 8, 16, 19891, 39782, 56453, 79564, 112906, 159128, 225812, 318256, 451624, 903248, 1122906623, 2245813246, 4491626492, 8983252984, 17966505968]

約数ペア:

[(1, 17966505968), (2, 8983252984), (4, 4491626492), (8, 2245813246), (16, 1122906623), (19891, 903248), (39782, 451624), (56453, 318256), (79564, 225812), (112906, 159128)]