19538470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{279121}}^1$

素因数の和:279135

約数の個数: 16

約数和(自身を含む): 40193568

約数和(自身を除く): 20655098

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 279121, 558242, 1395605, 1953847, 2791210, 3907694, 9769235, 19538470]

約数ペア:

[(1, 19538470), (2, 9769235), (5, 3907694), (7, 2791210), (10, 1953847), (14, 1395605), (35, 558242), (70, 279121)]