22393761

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 34621440

約数和(自身を除く): 12227679

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 611, 643, 741, 893, 1833, 1929, 2679, 8359, 11609, 12217, 25077, 30221, 34827, 36651, 90663, 158821, 392873, 476463, 574199, 1178619, 1722597, 7464587, 22393761]

約数ペア:

[(1, 22393761), (3, 7464587), (13, 1722597), (19, 1178619), (39, 574199), (47, 476463), (57, 392873), (141, 158821), (247, 90663), (611, 36651), (643, 34827), (741, 30221), (893, 25077), (1833, 12217), (1929, 11609), (2679, 8359)]