19419428

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4153}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 39080832

約数和(自身を除く): 19661404

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4153, 4676, 8306, 16612, 29071, 58142, 116284, 693551, 1387102, 2774204, 4854857, 9709714, 19419428]

約数ペア:

[(1, 19419428), (2, 9709714), (4, 4854857), (7, 2774204), (14, 1387102), (28, 693551), (167, 116284), (334, 58142), (668, 29071), (1169, 16612), (2338, 8306), (4153, 4676)]