18903166

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:939

約数の個数: 16

約数和(自身を含む): 28894320

約数和(自身を除く): 9991154

約数列:

[1, 2, 97, 139, 194, 278, 701, 1402, 13483, 26966, 67997, 97439, 135994, 194878, 9451583, 18903166]

約数ペア:

[(1, 18903166), (2, 9451583), (97, 194878), (139, 135994), (194, 97439), (278, 67997), (701, 26966), (1402, 13483)]