18275516

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{353}}^1$

素因数の和:450

約数の個数: 36

約数和(自身を含む): 37526832

約数和(自身を除く): 19251316

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 353, 602, 706, 1204, 1412, 1849, 2471, 3698, 4942, 7396, 9884, 12943, 15179, 25886, 30358, 51772, 60716, 106253, 212506, 425012, 652697, 1305394, 2610788, 4568879, 9137758, 18275516]

約数ペア:

[(1, 18275516), (2, 9137758), (4, 4568879), (7, 2610788), (14, 1305394), (28, 652697), (43, 425012), (86, 212506), (172, 106253), (301, 60716), (353, 51772), (602, 30358), (706, 25886), (1204, 15179), (1412, 12943), (1849, 9884), (2471, 7396), (3698, 4942)]