19746140

素因数分解:

$2^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1021}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 41550432

約数和(自身を除く): 21804292

約数列:

[1, 2, 4, 5, 10, 20, 967, 1021, 1934, 2042, 3868, 4084, 4835, 5105, 9670, 10210, 19340, 20420, 987307, 1974614, 3949228, 4936535, 9873070, 19746140]

約数ペア:

[(1, 19746140), (2, 9873070), (4, 4936535), (5, 3949228), (10, 1974614), (20, 987307), (967, 20420), (1021, 19340), (1934, 10210), (2042, 9670), (3868, 5105), (4084, 4835)]