18763484

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 33980688

約数和(自身を除く): 15217204

約数列:

[1, 2, 4, 53, 67, 106, 134, 212, 268, 1321, 2642, 3551, 5284, 7102, 14204, 70013, 88507, 140026, 177014, 280052, 354028, 4690871, 9381742, 18763484]

約数ペア:

[(1, 18763484), (2, 9381742), (4, 4690871), (53, 354028), (67, 280052), (106, 177014), (134, 140026), (212, 88507), (268, 70013), (1321, 14204), (2642, 7102), (3551, 5284)]