19904841

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11827}}^1$

素因数の和:11861

約数の個数: 24

約数和(自身を含む): 33213024

約数和(自身を除く): 13308183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 11827, 35481, 106443, 130097, 201059, 390291, 603177, 1170873, 1809531, 2211649, 6634947, 19904841]

約数ペア:

[(1, 19904841), (3, 6634947), (9, 2211649), (11, 1809531), (17, 1170873), (33, 603177), (51, 390291), (99, 201059), (153, 130097), (187, 106443), (561, 35481), (1683, 11827)]