19478830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{278269}}^1$

素因数の和:278283

約数の個数: 16

約数和(自身を含む): 40070880

約数和(自身を除く): 20592050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 278269, 556538, 1391345, 1947883, 2782690, 3895766, 9739415, 19478830]

約数ペア:

[(1, 19478830), (2, 9739415), (5, 3895766), (7, 2782690), (10, 1947883), (14, 1391345), (35, 556538), (70, 278269)]