19891782

素因数分解:

$2^1\times 3^2\times {\mathrm{523}}^1\times {\mathrm{2113}}^1$

素因数の和:2644

約数の個数: 24

約数和(自身を含む): 43201704

約数和(自身を除く): 23309922

約数列:

[1, 2, 3, 6, 9, 18, 523, 1046, 1569, 2113, 3138, 4226, 4707, 6339, 9414, 12678, 19017, 38034, 1105099, 2210198, 3315297, 6630594, 9945891, 19891782]

約数ペア:

[(1, 19891782), (2, 9945891), (3, 6630594), (6, 3315297), (9, 2210198), (18, 1105099), (523, 38034), (1046, 19017), (1569, 12678), (2113, 9414), (3138, 6339), (4226, 4707)]