19947035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4993}}^1$

素因数の和:5062

約数の個数: 16

約数和(自身を含む): 25888896

約数和(自身を除く): 5941861

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 4993, 24965, 84881, 234671, 424405, 1173355, 3989407, 19947035]

約数ペア:

[(1, 19947035), (5, 3989407), (17, 1173355), (47, 424405), (85, 234671), (235, 84881), (799, 24965), (3995, 4993)]