18510984

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2051

約数の個数: 64

約数和(自身を含む): 52641600

約数和(自身を除く): 34130616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 1993, 2322, 3096, 3986, 4644, 5979, 7972, 9288, 11958, 15944, 17937, 23916, 35874, 47832, 53811, 71748, 85699, 107622, 143496, 171398, 215244, 257097, 342796, 430488, 514194, 685592, 771291, 1028388, 1542582, 2056776, 2313873, 3085164, 4627746, 6170328, 9255492, 18510984]

約数ペア:

[(1, 18510984), (2, 9255492), (3, 6170328), (4, 4627746), (6, 3085164), (8, 2313873), (9, 2056776), (12, 1542582), (18, 1028388), (24, 771291), (27, 685592), (36, 514194), (43, 430488), (54, 342796), (72, 257097), (86, 215244), (108, 171398), (129, 143496), (172, 107622), (216, 85699), (258, 71748), (344, 53811), (387, 47832), (516, 35874), (774, 23916), (1032, 17937), (1161, 15944), (1548, 11958), (1993, 9288), (2322, 7972), (3096, 5979), (3986, 4644)]