19876941

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13991859

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 419, 753, 1257, 1757, 2259, 2933, 3771, 5271, 6777, 8799, 11313, 15813, 26397, 47439, 79191, 105169, 315507, 736183, 946521, 2208549, 2839563, 6625647, 19876941]

約数ペア:

[(1, 19876941), (3, 6625647), (7, 2839563), (9, 2208549), (21, 946521), (27, 736183), (63, 315507), (189, 105169), (251, 79191), (419, 47439), (753, 26397), (1257, 15813), (1757, 11313), (2259, 8799), (2933, 6777), (3771, 5271)]