19974482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5783}}^1$

素因数の和:5953

約数の個数: 16

約数和(自身を含む): 32899392

約数和(自身を除く): 12924910

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5783, 11566, 63613, 127226, 907931, 1815862, 9987241, 19974482]

約数ペア:

[(1, 19974482), (2, 9987241), (11, 1815862), (22, 907931), (157, 127226), (314, 63613), (1727, 11566), (3454, 5783)]