19387686

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^2\times {\mathrm{641}}^1$

素因数の和:788

約数の個数: 24

約数和(自身を含む): 39390552

約数和(自身を除く): 20002866

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 641, 1282, 1923, 3846, 5041, 10082, 15123, 30246, 45511, 91022, 136533, 273066, 3231281, 6462562, 9693843, 19387686]

約数ペア:

[(1, 19387686), (2, 9693843), (3, 6462562), (6, 3231281), (71, 273066), (142, 136533), (213, 91022), (426, 45511), (641, 30246), (1282, 15123), (1923, 10082), (3846, 5041)]