18874840

素因数分解:

$2^3\times 5^1\times {\mathrm{471871}}^1$

素因数の和:471882

約数の個数: 16

約数和(自身を含む): 42468480

約数和(自身を除く): 23593640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 471871, 943742, 1887484, 2359355, 3774968, 4718710, 9437420, 18874840]

約数ペア:

[(1, 18874840), (2, 9437420), (4, 4718710), (5, 3774968), (8, 2359355), (10, 1887484), (20, 943742), (40, 471871)]