19498894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{6949}}^1$

素因数の和:7035

約数の個数: 16

約数和(自身を含む): 31024800

約数和(自身を除く): 11525906

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 6949, 13898, 159827, 319654, 423889, 847778, 9749447, 19498894]

約数ペア:

[(1, 19498894), (2, 9749447), (23, 847778), (46, 423889), (61, 319654), (122, 159827), (1403, 13898), (2806, 6949)]