19046140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23227}}^1$

素因数の和:23277

約数の個数: 24

約数和(自身を含む): 40974192

約数和(自身を除く): 21928052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23227, 46454, 92908, 116135, 232270, 464540, 952307, 1904614, 3809228, 4761535, 9523070, 19046140]

約数ペア:

[(1, 19046140), (2, 9523070), (4, 4761535), (5, 3809228), (10, 1904614), (20, 952307), (41, 464540), (82, 232270), (164, 116135), (205, 92908), (410, 46454), (820, 23227)]