19643188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1973}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 36479520

約数和(自身を除く): 16836332

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 1973, 2489, 3946, 4978, 7892, 9956, 37487, 74974, 149948, 258463, 516926, 1033852, 4910797, 9821594, 19643188]

約数ペア:

[(1, 19643188), (2, 9821594), (4, 4910797), (19, 1033852), (38, 516926), (76, 258463), (131, 149948), (262, 74974), (524, 37487), (1973, 9956), (2489, 7892), (3946, 4978)]