18987792

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{3697}}^1$

素因数の和:3815

約数の個数: 40

約数和(自身を含む): 49523616

約数和(自身を除く): 30535824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 3697, 5136, 7394, 11091, 14788, 22182, 29576, 44364, 59152, 88728, 177456, 395579, 791158, 1186737, 1582316, 2373474, 3164632, 4746948, 6329264, 9493896, 18987792]

約数ペア:

[(1, 18987792), (2, 9493896), (3, 6329264), (4, 4746948), (6, 3164632), (8, 2373474), (12, 1582316), (16, 1186737), (24, 791158), (48, 395579), (107, 177456), (214, 88728), (321, 59152), (428, 44364), (642, 29576), (856, 22182), (1284, 14788), (1712, 11091), (2568, 7394), (3697, 5136)]