18912795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 33433344

約数和(自身を除く): 14520549

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 1381, 2739, 4143, 4565, 6905, 13695, 15191, 20715, 45573, 75955, 114623, 227865, 343869, 573115, 1260853, 1719345, 3782559, 6304265, 18912795]

約数ペア:

[(1, 18912795), (3, 6304265), (5, 3782559), (11, 1719345), (15, 1260853), (33, 573115), (55, 343869), (83, 227865), (165, 114623), (249, 75955), (415, 45573), (913, 20715), (1245, 15191), (1381, 13695), (2739, 6905), (4143, 4565)]