18638544

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 51425280

約数和(自身を除く): 32786736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 107, 114, 152, 191, 214, 228, 304, 321, 382, 428, 456, 573, 642, 764, 856, 912, 1146, 1284, 1528, 1712, 2033, 2292, 2568, 3056, 3629, 4066, 4584, 5136, 6099, 7258, 8132, 9168, 10887, 12198, 14516, 16264, 20437, 21774, 24396, 29032, 32528, 40874, 43548, 48792, 58064, 61311, 81748, 87096, 97584, 122622, 163496, 174192, 245244, 326992, 388303, 490488, 776606, 980976, 1164909, 1553212, 2329818, 3106424, 4659636, 6212848, 9319272, 18638544]

約数ペア:

[(1, 18638544), (2, 9319272), (3, 6212848), (4, 4659636), (6, 3106424), (8, 2329818), (12, 1553212), (16, 1164909), (19, 980976), (24, 776606), (38, 490488), (48, 388303), (57, 326992), (76, 245244), (107, 174192), (114, 163496), (152, 122622), (191, 97584), (214, 87096), (228, 81748), (304, 61311), (321, 58064), (382, 48792), (428, 43548), (456, 40874), (573, 32528), (642, 29032), (764, 24396), (856, 21774), (912, 20437), (1146, 16264), (1284, 14516), (1528, 12198), (1712, 10887), (2033, 9168), (2292, 8132), (2568, 7258), (3056, 6099), (3629, 5136), (4066, 4584)]