18548140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71339}}^1$

素因数の和:71361

約数の個数: 24

約数和(自身を含む): 41947920

約数和(自身を除く): 23399780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71339, 142678, 285356, 356695, 713390, 927407, 1426780, 1854814, 3709628, 4637035, 9274070, 18548140]

約数ペア:

[(1, 18548140), (2, 9274070), (4, 4637035), (5, 3709628), (10, 1854814), (13, 1426780), (20, 927407), (26, 713390), (52, 356695), (65, 285356), (130, 142678), (260, 71339)]