19209025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3037}}^1$

素因数の和:3081

約数の個数: 24

約数和(自身を含む): 27123264

約数和(自身を除く): 7914239

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 3037, 6325, 15185, 33407, 69851, 75925, 167035, 349255, 768361, 835175, 1746275, 3841805, 19209025]

約数ペア:

[(1, 19209025), (5, 3841805), (11, 1746275), (23, 835175), (25, 768361), (55, 349255), (115, 167035), (253, 75925), (275, 69851), (575, 33407), (1265, 15185), (3037, 6325)]