18835120

素因数分解:

$2^4\times 5^1\times {\mathrm{235439}}^1$

素因数の和:235452

約数の個数: 20

約数和(自身を含む): 43791840

約数和(自身を除く): 24956720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 235439, 470878, 941756, 1177195, 1883512, 2354390, 3767024, 4708780, 9417560, 18835120]

約数ペア:

[(1, 18835120), (2, 9417560), (4, 4708780), (5, 3767024), (8, 2354390), (10, 1883512), (16, 1177195), (20, 941756), (40, 470878), (80, 235439)]