2019941456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9711257}}^1$

素因数の和:9711278

約数の個数: 20

約数和(自身を含む): 4214685972

約数和(自身を除く): 2194744516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9711257, 19422514, 38845028, 77690056, 126246341, 155380112, 252492682, 504985364, 1009970728, 2019941456]

約数ペア:

[(1, 2019941456), (2, 1009970728), (4, 504985364), (8, 252492682), (13, 155380112), (16, 126246341), (26, 77690056), (52, 38845028), (104, 19422514), (208, 9711257)]