19926650

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2909}}^1$

素因数の和:3058

約数の個数: 24

約数和(自身を含む): 37346940

約数和(自身を除く): 17420290

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 685, 1370, 2909, 3425, 5818, 6850, 14545, 29090, 72725, 145450, 398533, 797066, 1992665, 3985330, 9963325, 19926650]

約数ペア:

[(1, 19926650), (2, 9963325), (5, 3985330), (10, 1992665), (25, 797066), (50, 398533), (137, 145450), (274, 72725), (685, 29090), (1370, 14545), (2909, 6850), (3425, 5818)]