18270315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 37380096

約数和(自身を除く): 19109781

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1871, 1953, 3255, 5613, 9355, 9765, 13097, 16839, 28065, 39291, 58001, 65485, 84195, 117873, 174003, 196455, 290005, 406007, 522009, 589365, 870015, 1218021, 2030035, 2610045, 3654063, 6090105, 18270315]

約数ペア:

[(1, 18270315), (3, 6090105), (5, 3654063), (7, 2610045), (9, 2030035), (15, 1218021), (21, 870015), (31, 589365), (35, 522009), (45, 406007), (63, 290005), (93, 196455), (105, 174003), (155, 117873), (217, 84195), (279, 65485), (315, 58001), (465, 39291), (651, 28065), (1085, 16839), (1395, 13097), (1871, 9765), (1953, 9355), (3255, 5613)]