18191236

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 20395004

約数列:

[1, 2, 4, 7, 14, 28, 29, 43, 58, 86, 116, 172, 203, 301, 406, 521, 602, 812, 1042, 1204, 1247, 2084, 2494, 3647, 4988, 7294, 8729, 14588, 15109, 17458, 22403, 30218, 34916, 44806, 60436, 89612, 105763, 156821, 211526, 313642, 423052, 627284, 649687, 1299374, 2598748, 4547809, 9095618, 18191236]

約数ペア:

[(1, 18191236), (2, 9095618), (4, 4547809), (7, 2598748), (14, 1299374), (28, 649687), (29, 627284), (43, 423052), (58, 313642), (86, 211526), (116, 156821), (172, 105763), (203, 89612), (301, 60436), (406, 44806), (521, 34916), (602, 30218), (812, 22403), (1042, 17458), (1204, 15109), (1247, 14588), (2084, 8729), (2494, 7294), (3647, 4988)]