19507460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139339}}^1$

素因数の和:139355

約数の個数: 24

約数和(自身を含む): 46818240

約数和(自身を除く): 27310780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139339, 278678, 557356, 696695, 975373, 1393390, 1950746, 2786780, 3901492, 4876865, 9753730, 19507460]

約数ペア:

[(1, 19507460), (2, 9753730), (4, 4876865), (5, 3901492), (7, 2786780), (10, 1950746), (14, 1393390), (20, 975373), (28, 696695), (35, 557356), (70, 278678), (140, 139339)]