18934707

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 28901376

約数和(自身を除く): 9966669

約数列:

[1, 3, 11, 31, 33, 83, 93, 223, 249, 341, 669, 913, 1023, 2453, 2573, 2739, 6913, 7359, 7719, 18509, 20739, 28303, 55527, 76043, 84909, 203599, 228129, 573779, 610797, 1721337, 6311569, 18934707]

約数ペア:

[(1, 18934707), (3, 6311569), (11, 1721337), (31, 610797), (33, 573779), (83, 228129), (93, 203599), (223, 84909), (249, 76043), (341, 55527), (669, 28303), (913, 20739), (1023, 18509), (2453, 7719), (2573, 7359), (2739, 6913)]