18789368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{180667}}^1$

素因数の和:180686

約数の個数: 16

約数和(自身を含む): 37940280

約数和(自身を除く): 19150912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 180667, 361334, 722668, 1445336, 2348671, 4697342, 9394684, 18789368]

約数ペア:

[(1, 18789368), (2, 9394684), (4, 4697342), (8, 2348671), (13, 1445336), (26, 722668), (52, 361334), (104, 180667)]