19879608

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 57150720

約数和(自身を除く): 37271112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 241, 482, 491, 723, 964, 982, 1446, 1473, 1687, 1928, 1964, 2892, 2946, 3374, 3437, 3928, 5061, 5784, 5892, 6748, 6874, 10122, 10311, 11784, 13496, 13748, 20244, 20622, 27496, 40488, 41244, 82488, 118331, 236662, 354993, 473324, 709986, 828317, 946648, 1419972, 1656634, 2484951, 2839944, 3313268, 4969902, 6626536, 9939804, 19879608]

約数ペア:

[(1, 19879608), (2, 9939804), (3, 6626536), (4, 4969902), (6, 3313268), (7, 2839944), (8, 2484951), (12, 1656634), (14, 1419972), (21, 946648), (24, 828317), (28, 709986), (42, 473324), (56, 354993), (84, 236662), (168, 118331), (241, 82488), (482, 41244), (491, 40488), (723, 27496), (964, 20622), (982, 20244), (1446, 13748), (1473, 13496), (1687, 11784), (1928, 10311), (1964, 10122), (2892, 6874), (2946, 6748), (3374, 5892), (3437, 5784), (3928, 5061)]