201810020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{531079}}^1$

素因数の和:531107

約数の個数: 24

約数和(自身を含む): 446107200

約数和(自身を除く): 244297180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 531079, 1062158, 2124316, 2655395, 5310790, 10090501, 10621580, 20181002, 40362004, 50452505, 100905010, 201810020]

約数ペア:

[(1, 201810020), (2, 100905010), (4, 50452505), (5, 40362004), (10, 20181002), (19, 10621580), (20, 10090501), (38, 5310790), (76, 2655395), (95, 2124316), (190, 1062158), (380, 531079)]