19387754

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{3821}}^1$

素因数の和:3925

約数の個数: 16

約数和(自身を含む): 30270240

約数和(自身を除く): 10882486

約数列:

[1, 2, 43, 59, 86, 118, 2537, 3821, 5074, 7642, 164303, 225439, 328606, 450878, 9693877, 19387754]

約数ペア:

[(1, 19387754), (2, 9693877), (43, 450878), (59, 328606), (86, 225439), (118, 164303), (2537, 7642), (3821, 5074)]