18799928

素因数分解:

$2^3\times 7^2\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 41382000

約数和(自身を除く): 22582072

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 199, 241, 392, 398, 482, 796, 964, 1393, 1592, 1687, 1928, 2786, 3374, 5572, 6748, 9751, 11144, 11809, 13496, 19502, 23618, 39004, 47236, 47959, 78008, 94472, 95918, 191836, 335713, 383672, 671426, 1342852, 2349991, 2685704, 4699982, 9399964, 18799928]

約数ペア:

[(1, 18799928), (2, 9399964), (4, 4699982), (7, 2685704), (8, 2349991), (14, 1342852), (28, 671426), (49, 383672), (56, 335713), (98, 191836), (196, 95918), (199, 94472), (241, 78008), (392, 47959), (398, 47236), (482, 39004), (796, 23618), (964, 19502), (1393, 13496), (1592, 11809), (1687, 11144), (1928, 9751), (2786, 6748), (3374, 5572)]