2019420472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{128987}}^1$

素因数の和:129115

約数の個数: 32

約数和(自身を含む): 4024425600

約数和(自身を除く): 2005005128

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1957, 3914, 7828, 15656, 128987, 257974, 515948, 1031896, 2450753, 4901506, 9803012, 13285661, 19606024, 26571322, 53142644, 106285288, 252427559, 504855118, 1009710236, 2019420472]

約数ペア:

[(1, 2019420472), (2, 1009710236), (4, 504855118), (8, 252427559), (19, 106285288), (38, 53142644), (76, 26571322), (103, 19606024), (152, 13285661), (206, 9803012), (412, 4901506), (824, 2450753), (1957, 1031896), (3914, 515948), (7828, 257974), (15656, 128987)]