19681222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{1087}}^1$

素因数の和:1923

約数の個数: 16

約数和(自身を含む): 32274432

約数和(自身を除く): 12593210

約数列:

[1, 2, 11, 22, 823, 1087, 1646, 2174, 9053, 11957, 18106, 23914, 894601, 1789202, 9840611, 19681222]

約数ペア:

[(1, 19681222), (2, 9840611), (11, 1789202), (22, 894601), (823, 23914), (1087, 18106), (1646, 11957), (2174, 9053)]