19520194

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{643}}^1$

素因数の和:1041

約数の個数: 16

約数和(自身を含む): 30092832

約数和(自身を除く): 10572638

約数列:

[1, 2, 43, 86, 353, 643, 706, 1286, 15179, 27649, 30358, 55298, 226979, 453958, 9760097, 19520194]

約数ペア:

[(1, 19520194), (2, 9760097), (43, 453958), (86, 226979), (353, 55298), (643, 30358), (706, 27649), (1286, 15179)]