19974974

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{3011}}^1$

素因数の和:3151

約数の個数: 16

約数和(自身を含む): 31228416

約数和(自身を除く): 11253442

約数列:

[1, 2, 31, 62, 107, 214, 3011, 3317, 6022, 6634, 93341, 186682, 322177, 644354, 9987487, 19974974]

約数ペア:

[(1, 19974974), (2, 9987487), (31, 644354), (62, 322177), (107, 186682), (214, 93341), (3011, 6634), (3317, 6022)]