19812124

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{69761}}^1$

素因数の和:69836

約数の個数: 12

約数和(自身を含む): 35160048

約数和(自身を除く): 15347924

約数列:

[1, 2, 4, 71, 142, 284, 69761, 139522, 279044, 4953031, 9906062, 19812124]

約数ペア:

[(1, 19812124), (2, 9906062), (4, 4953031), (71, 279044), (142, 139522), (284, 69761)]