18972746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31727}}^1$

素因数の和:31765

約数の個数: 16

約数和(自身を含む): 31981824

約数和(自身を除く): 13009078

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 31727, 63454, 412451, 729721, 824902, 1459442, 9486373, 18972746]

約数ペア:

[(1, 18972746), (2, 9486373), (13, 1459442), (23, 824902), (26, 729721), (46, 412451), (299, 63454), (598, 31727)]