19888485

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 33118848

約数和(自身を除く): 13230363

約数列:

[1, 3, 5, 15, 41, 73, 123, 205, 219, 365, 443, 615, 1095, 1329, 2215, 2993, 6645, 8979, 14965, 18163, 32339, 44895, 54489, 90815, 97017, 161695, 272445, 485085, 1325899, 3977697, 6629495, 19888485]

約数ペア:

[(1, 19888485), (3, 6629495), (5, 3977697), (15, 1325899), (41, 485085), (73, 272445), (123, 161695), (205, 97017), (219, 90815), (365, 54489), (443, 44895), (615, 32339), (1095, 18163), (1329, 14965), (2215, 8979), (2993, 6645)]