18728578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37013}}^1$

素因数の和:37049

約数の個数: 16

約数和(自身を含む): 31980096

約数和(自身を除く): 13251518

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37013, 74026, 407143, 814286, 851299, 1702598, 9364289, 18728578]

約数ペア:

[(1, 18728578), (2, 9364289), (11, 1702598), (22, 851299), (23, 814286), (46, 407143), (253, 74026), (506, 37013)]