18800215

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 28753920

約数和(自身を除く): 9953705

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 1663, 2261, 8315, 11305, 11641, 28271, 31597, 58205, 141355, 157985, 197897, 221179, 537149, 989485, 1105895, 2685745, 3760043, 18800215]

約数ペア:

[(1, 18800215), (5, 3760043), (7, 2685745), (17, 1105895), (19, 989485), (35, 537149), (85, 221179), (95, 197897), (119, 157985), (133, 141355), (323, 58205), (595, 31597), (665, 28271), (1615, 11641), (1663, 11305), (2261, 8315)]