19956945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30941}}^1$

素因数の和:30992

約数の個数: 16

約数和(自身を含む): 32674752

約数和(自身を除く): 12717807

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 30941, 92823, 154705, 464115, 1330463, 3991389, 6652315, 19956945]

約数ペア:

[(1, 19956945), (3, 6652315), (5, 3991389), (15, 1330463), (43, 464115), (129, 154705), (215, 92823), (645, 30941)]