18971032

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 36683280

約数和(自身を除く): 17712248

約数列:

[1, 2, 4, 8, 53, 101, 106, 202, 212, 404, 424, 443, 808, 886, 1772, 3544, 5353, 10706, 21412, 23479, 42824, 44743, 46958, 89486, 93916, 178972, 187832, 357944, 2371379, 4742758, 9485516, 18971032]

約数ペア:

[(1, 18971032), (2, 9485516), (4, 4742758), (8, 2371379), (53, 357944), (101, 187832), (106, 178972), (202, 93916), (212, 89486), (404, 46958), (424, 44743), (443, 42824), (808, 23479), (886, 21412), (1772, 10706), (3544, 5353)]