19456964

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 35390208

約数和(自身を除く): 15933244

約数列:

[1, 2, 4, 31, 62, 124, 173, 346, 692, 907, 1814, 3628, 5363, 10726, 21452, 28117, 56234, 112468, 156911, 313822, 627644, 4864241, 9728482, 19456964]

約数ペア:

[(1, 19456964), (2, 9728482), (4, 4864241), (31, 627644), (62, 313822), (124, 156911), (173, 112468), (346, 56234), (692, 28117), (907, 21452), (1814, 10726), (3628, 5363)]