19601180

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7717}}^1$

素因数の和:7853

約数の個数: 24

約数和(自身を含む): 41491968

約数和(自身を除く): 21890788

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7717, 15434, 30868, 38585, 77170, 154340, 980059, 1960118, 3920236, 4900295, 9800590, 19601180]

約数ペア:

[(1, 19601180), (2, 9800590), (4, 4900295), (5, 3920236), (10, 1960118), (20, 980059), (127, 154340), (254, 77170), (508, 38585), (635, 30868), (1270, 15434), (2540, 7717)]