1947820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13913}}^1$

素因数の和:13929

約数の個数: 24

約数和(自身を含む): 4675104

約数和(自身を除く): 2727284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13913, 27826, 55652, 69565, 97391, 139130, 194782, 278260, 389564, 486955, 973910, 1947820]

約数ペア:

[(1, 1947820), (2, 973910), (4, 486955), (5, 389564), (7, 278260), (10, 194782), (14, 139130), (20, 97391), (28, 69565), (35, 55652), (70, 27826), (140, 13913)]