18138835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 26707968

約数和(自身を除く): 8569133

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1103, 1265, 1495, 3289, 5515, 12133, 14339, 16445, 25369, 60665, 71695, 126845, 157729, 279059, 329797, 788645, 1395295, 1648985, 3627767, 18138835]

約数ペア:

[(1, 18138835), (5, 3627767), (11, 1648985), (13, 1395295), (23, 788645), (55, 329797), (65, 279059), (115, 157729), (143, 126845), (253, 71695), (299, 60665), (715, 25369), (1103, 16445), (1265, 14339), (1495, 12133), (3289, 5515)]