19432478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 33398400

約数和(自身を除く): 13965922

約数列:

[1, 2, 13, 19, 26, 38, 139, 247, 278, 283, 494, 566, 1807, 2641, 3614, 3679, 5282, 5377, 7358, 10754, 34333, 39337, 68666, 69901, 78674, 139802, 511381, 747403, 1022762, 1494806, 9716239, 19432478]

約数ペア:

[(1, 19432478), (2, 9716239), (13, 1494806), (19, 1022762), (26, 747403), (38, 511381), (139, 139802), (247, 78674), (278, 69901), (283, 68666), (494, 39337), (566, 34333), (1807, 10754), (2641, 7358), (3614, 5377), (3679, 5282)]