19385891

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 23830560

約数和(自身を除く): 4444669

約数列:

[1, 7, 29, 37, 89, 203, 259, 623, 841, 1073, 2581, 3293, 5887, 7511, 18067, 23051, 31117, 74849, 95497, 217819, 523943, 668479, 2769413, 19385891]

約数ペア:

[(1, 19385891), (7, 2769413), (29, 668479), (37, 523943), (89, 217819), (203, 95497), (259, 74849), (623, 31117), (841, 23051), (1073, 18067), (2581, 7511), (3293, 5887)]