1990457872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9569509}}^1$

素因数の和:9569530

約数の個数: 20

約数和(自身を含む): 4153167340

約数和(自身を除く): 2162709468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9569509, 19139018, 38278036, 76556072, 124403617, 153112144, 248807234, 497614468, 995228936, 1990457872]

約数ペア:

[(1, 1990457872), (2, 995228936), (4, 497614468), (8, 248807234), (13, 153112144), (16, 124403617), (26, 76556072), (52, 38278036), (104, 19139018), (208, 9569509)]