18622538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9511}}^1$

素因数の和:9613

約数の個数: 16

約数和(自身を含む): 30818880

約数和(自身を除く): 12196342

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9511, 19022, 104621, 209242, 846479, 1692958, 9311269, 18622538]

約数ペア:

[(1, 18622538), (2, 9311269), (11, 1692958), (22, 846479), (89, 209242), (178, 104621), (979, 19022), (1958, 9511)]