19278556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4517}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 37192176

約数和(自身を除く): 17913620

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4517, 9034, 18068, 49687, 99374, 198748, 438149, 876298, 1752596, 4819639, 9639278, 19278556]

約数ペア:

[(1, 19278556), (2, 9639278), (4, 4819639), (11, 1752596), (22, 876298), (44, 438149), (97, 198748), (194, 99374), (388, 49687), (1067, 18068), (2134, 9034), (4268, 4517)]