19472740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139091}}^1$

素因数の和:139107

約数の個数: 24

約数和(自身を含む): 46734912

約数和(自身を除く): 27262172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139091, 278182, 556364, 695455, 973637, 1390910, 1947274, 2781820, 3894548, 4868185, 9736370, 19472740]

約数ペア:

[(1, 19472740), (2, 9736370), (4, 4868185), (5, 3894548), (7, 2781820), (10, 1947274), (14, 1390910), (20, 973637), (28, 695455), (35, 556364), (70, 278182), (140, 139091)]