19922254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2281}}^1$

素因数の和:2691

約数の個数: 16

約数和(自身を含む): 32696496

約数和(自身を除く): 12774242

約数列:

[1, 2, 11, 22, 397, 794, 2281, 4367, 4562, 8734, 25091, 50182, 905557, 1811114, 9961127, 19922254]

約数ペア:

[(1, 19922254), (2, 9961127), (11, 1811114), (22, 905557), (397, 50182), (794, 25091), (2281, 8734), (4367, 4562)]