19966596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 50568000

約数和(自身を除く): 30601404

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 298, 447, 596, 859, 894, 1718, 1788, 1937, 2577, 3436, 3874, 5154, 5811, 7748, 10308, 11167, 11622, 22334, 23244, 33501, 44668, 67002, 127991, 134004, 255982, 383973, 511964, 767946, 1535892, 1663883, 3327766, 4991649, 6655532, 9983298, 19966596]

約数ペア:

[(1, 19966596), (2, 9983298), (3, 6655532), (4, 4991649), (6, 3327766), (12, 1663883), (13, 1535892), (26, 767946), (39, 511964), (52, 383973), (78, 255982), (149, 134004), (156, 127991), (298, 67002), (447, 44668), (596, 33501), (859, 23244), (894, 22334), (1718, 11622), (1788, 11167), (1937, 10308), (2577, 7748), (3436, 5811), (3874, 5154)]