18998078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 14386882

約数列:

[1, 2, 11, 17, 22, 34, 79, 158, 187, 374, 643, 869, 1286, 1343, 1738, 2686, 7073, 10931, 14146, 14773, 21862, 29546, 50797, 101594, 120241, 240482, 558767, 863549, 1117534, 1727098, 9499039, 18998078]

約数ペア:

[(1, 18998078), (2, 9499039), (11, 1727098), (17, 1117534), (22, 863549), (34, 558767), (79, 240482), (158, 120241), (187, 101594), (374, 50797), (643, 29546), (869, 21862), (1286, 14773), (1343, 14146), (1738, 10931), (2686, 7073)]