19539206

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1279

約数の個数: 16

約数和(自身を含む): 30179520

約数和(自身を除く): 10640314

約数列:

[1, 2, 41, 82, 239, 478, 997, 1994, 9799, 19598, 40877, 81754, 238283, 476566, 9769603, 19539206]

約数ペア:

[(1, 19539206), (2, 9769603), (41, 476566), (82, 238283), (239, 81754), (478, 40877), (997, 19598), (1994, 9799)]