19899852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{983}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 53340672

約数和(自身を除く): 33440820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 241, 482, 723, 964, 983, 1446, 1687, 1966, 2892, 2949, 3374, 3932, 5061, 5898, 6748, 6881, 10122, 11796, 13762, 20244, 20643, 27524, 41286, 82572, 236903, 473806, 710709, 947612, 1421418, 1658321, 2842836, 3316642, 4974963, 6633284, 9949926, 19899852]

約数ペア:

[(1, 19899852), (2, 9949926), (3, 6633284), (4, 4974963), (6, 3316642), (7, 2842836), (12, 1658321), (14, 1421418), (21, 947612), (28, 710709), (42, 473806), (84, 236903), (241, 82572), (482, 41286), (723, 27524), (964, 20643), (983, 20244), (1446, 13762), (1687, 11796), (1966, 10122), (2892, 6881), (2949, 6748), (3374, 5898), (3932, 5061)]