18431638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{8887}}^1$

素因数の和:8967

約数の個数: 16

約数和(自身を含む): 29757024

約数和(自身を除く): 11325386

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 8887, 17774, 151079, 302158, 542107, 1084214, 9215819, 18431638]

約数ペア:

[(1, 18431638), (2, 9215819), (17, 1084214), (34, 542107), (61, 302158), (122, 151079), (1037, 17774), (2074, 8887)]