19853164

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2625

約数の個数: 24

約数和(自身を含む): 36369648

約数和(自身を除く): 16516484

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 212, 1961, 2531, 3922, 5062, 7844, 10124, 93647, 134143, 187294, 268286, 374588, 536572, 4963291, 9926582, 19853164]

約数ペア:

[(1, 19853164), (2, 9926582), (4, 4963291), (37, 536572), (53, 374588), (74, 268286), (106, 187294), (148, 134143), (212, 93647), (1961, 10124), (2531, 7844), (3922, 5062)]