19476940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139121}}^1$

素因数の和:139137

約数の個数: 24

約数和(自身を含む): 46744992

約数和(自身を除く): 27268052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139121, 278242, 556484, 695605, 973847, 1391210, 1947694, 2782420, 3895388, 4869235, 9738470, 19476940]

約数ペア:

[(1, 19476940), (2, 9738470), (4, 4869235), (5, 3895388), (7, 2782420), (10, 1947694), (14, 1391210), (20, 973847), (28, 695605), (35, 556484), (70, 278242), (140, 139121)]