19980152

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47123}}^1$

素因数の和:47182

約数の個数: 16

約数和(自身を含む): 38170440

約数和(自身を除く): 18190288

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47123, 94246, 188492, 376984, 2497519, 4995038, 9990076, 19980152]

約数ペア:

[(1, 19980152), (2, 9990076), (4, 4995038), (8, 2497519), (53, 376984), (106, 188492), (212, 94246), (424, 47123)]