19737085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2609}}^1$

素因数の和:2720

約数の個数: 16

約数和(自身を含む): 25369200

約数和(自身を除く): 5632115

約数列:

[1, 5, 17, 85, 89, 445, 1513, 2609, 7565, 13045, 44353, 221765, 232201, 1161005, 3947417, 19737085]

約数ペア:

[(1, 19737085), (5, 3947417), (17, 1161005), (85, 232201), (89, 221765), (445, 44353), (1513, 13045), (2609, 7565)]