19993482

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 44684640

約数和(自身を除く): 24691158

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 131, 139, 183, 262, 278, 366, 393, 417, 549, 786, 834, 1098, 1179, 1251, 2358, 2502, 7991, 8479, 15982, 16958, 18209, 23973, 25437, 36418, 47946, 50874, 54627, 71919, 76311, 109254, 143838, 152622, 163881, 327762, 1110749, 2221498, 3332247, 6664494, 9996741, 19993482]

約数ペア:

[(1, 19993482), (2, 9996741), (3, 6664494), (6, 3332247), (9, 2221498), (18, 1110749), (61, 327762), (122, 163881), (131, 152622), (139, 143838), (183, 109254), (262, 76311), (278, 71919), (366, 54627), (393, 50874), (417, 47946), (549, 36418), (786, 25437), (834, 23973), (1098, 18209), (1179, 16958), (1251, 15982), (2358, 8479), (2502, 7991)]