18722847

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2297}}^1$

素因数の和:2343

約数の個数: 32

約数和(自身を含む): 30885120

約数和(自身を除く): 12162273

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2297, 2717, 6891, 8151, 25267, 29861, 43643, 75801, 89583, 130929, 328471, 480073, 567359, 985413, 1440219, 1702077, 6240949, 18722847]

約数ペア:

[(1, 18722847), (3, 6240949), (11, 1702077), (13, 1440219), (19, 985413), (33, 567359), (39, 480073), (57, 328471), (143, 130929), (209, 89583), (247, 75801), (429, 43643), (627, 29861), (741, 25267), (2297, 8151), (2717, 6891)]