18580405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2767}}^1$

素因数の和:2868

約数の個数: 16

約数和(自身を含む): 23915520

約数和(自身を除く): 5335115

約数列:

[1, 5, 17, 79, 85, 395, 1343, 2767, 6715, 13835, 47039, 218593, 235195, 1092965, 3716081, 18580405]

約数ペア:

[(1, 18580405), (5, 3716081), (17, 1092965), (79, 235195), (85, 218593), (395, 47039), (1343, 13835), (2767, 6715)]