19340841

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 29962240

約数和(自身を除く): 10621399

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 607, 741, 817, 1677, 1821, 2451, 7891, 10621, 11533, 23673, 26101, 31863, 34599, 78303, 149929, 339313, 449787, 495919, 1017939, 1487757, 6446947, 19340841]

約数ペア:

[(1, 19340841), (3, 6446947), (13, 1487757), (19, 1017939), (39, 495919), (43, 449787), (57, 339313), (129, 149929), (247, 78303), (559, 34599), (607, 31863), (741, 26101), (817, 23673), (1677, 11533), (1821, 10621), (2451, 7891)]