18497978

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:997

約数の個数: 16

約数和(自身を含む): 28473984

約数和(自身を除く): 9976006

約数列:

[1, 2, 47, 94, 307, 614, 641, 1282, 14429, 28858, 30127, 60254, 196787, 393574, 9248989, 18497978]

約数ペア:

[(1, 18497978), (2, 9248989), (47, 393574), (94, 196787), (307, 60254), (614, 30127), (641, 28858), (1282, 14429)]