19705294

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{26557}}^1$

素因数の和:26619

約数の個数: 16

約数和(自身を含む): 34419168

約数和(自身を除く): 14713874

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 26557, 53114, 185899, 371798, 1407521, 2815042, 9852647, 19705294]

約数ペア:

[(1, 19705294), (2, 9852647), (7, 2815042), (14, 1407521), (53, 371798), (106, 185899), (371, 53114), (742, 26557)]