19974604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1367}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 37806048

約数和(自身を除く): 17831444

約数列:

[1, 2, 4, 13, 26, 52, 281, 562, 1124, 1367, 2734, 3653, 5468, 7306, 14612, 17771, 35542, 71084, 384127, 768254, 1536508, 4993651, 9987302, 19974604]

約数ペア:

[(1, 19974604), (2, 9987302), (4, 4993651), (13, 1536508), (26, 768254), (52, 384127), (281, 71084), (562, 35542), (1124, 17771), (1367, 14612), (2734, 7306), (3653, 5468)]