19044487

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 24500880

約数和(自身を除く): 5456393

約数列:

[1, 7, 11, 49, 77, 89, 397, 539, 623, 979, 2779, 4361, 4367, 6853, 19453, 30569, 35333, 47971, 213983, 247331, 388663, 1731317, 2720641, 19044487]

約数ペア:

[(1, 19044487), (7, 2720641), (11, 1731317), (49, 388663), (77, 247331), (89, 213983), (397, 47971), (539, 35333), (623, 30569), (979, 19453), (2779, 6853), (4361, 4367)]