18109672

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{977}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 38963520

約数和(自身を除く): 20853848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 977, 1324, 1954, 2317, 2648, 3908, 4634, 6839, 7816, 9268, 13678, 18536, 27356, 54712, 323387, 646774, 1293548, 2263709, 2587096, 4527418, 9054836, 18109672]

約数ペア:

[(1, 18109672), (2, 9054836), (4, 4527418), (7, 2587096), (8, 2263709), (14, 1293548), (28, 646774), (56, 323387), (331, 54712), (662, 27356), (977, 18536), (1324, 13678), (1954, 9268), (2317, 7816), (2648, 6839), (3908, 4634)]