19040642

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{1153}}^1$

素因数の和:1537

約数の個数: 16

約数和(自身を含む): 29911680

約数和(自身を除く): 10871038

約数列:

[1, 2, 23, 46, 359, 718, 1153, 2306, 8257, 16514, 26519, 53038, 413927, 827854, 9520321, 19040642]

約数ペア:

[(1, 19040642), (2, 9520321), (23, 827854), (46, 413927), (359, 53038), (718, 26519), (1153, 16514), (2306, 8257)]