19378645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27103}}^1$

素因数の和:27132

約数の個数: 16

約数和(自身を含む): 27320832

約数和(自身を除く): 7942187

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27103, 135515, 298133, 352339, 1490665, 1761695, 3875729, 19378645]

約数ペア:

[(1, 19378645), (5, 3875729), (11, 1761695), (13, 1490665), (55, 352339), (65, 298133), (143, 135515), (715, 27103)]