18694505

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 22970304

約数和(自身を除く): 4275799

約数列:

[1, 5, 83, 107, 415, 421, 535, 2105, 8881, 34943, 44405, 45047, 174715, 225235, 3738901, 18694505]

約数ペア:

[(1, 18694505), (5, 3738901), (83, 225235), (107, 174715), (415, 45047), (421, 44405), (535, 34943), (2105, 8881)]