18707856

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 51752640

約数和(自身を除く): 33044784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 73, 76, 114, 146, 152, 219, 228, 281, 292, 304, 438, 456, 562, 584, 843, 876, 912, 1124, 1168, 1387, 1686, 1752, 2248, 2774, 3372, 3504, 4161, 4496, 5339, 5548, 6744, 8322, 10678, 11096, 13488, 16017, 16644, 20513, 21356, 22192, 32034, 33288, 41026, 42712, 61539, 64068, 66576, 82052, 85424, 123078, 128136, 164104, 246156, 256272, 328208, 389747, 492312, 779494, 984624, 1169241, 1558988, 2338482, 3117976, 4676964, 6235952, 9353928, 18707856]

約数ペア:

[(1, 18707856), (2, 9353928), (3, 6235952), (4, 4676964), (6, 3117976), (8, 2338482), (12, 1558988), (16, 1169241), (19, 984624), (24, 779494), (38, 492312), (48, 389747), (57, 328208), (73, 256272), (76, 246156), (114, 164104), (146, 128136), (152, 123078), (219, 85424), (228, 82052), (281, 66576), (292, 64068), (304, 61539), (438, 42712), (456, 41026), (562, 33288), (584, 32034), (843, 22192), (876, 21356), (912, 20513), (1124, 16644), (1168, 16017), (1387, 13488), (1686, 11096), (1752, 10678), (2248, 8322), (2774, 6744), (3372, 5548), (3504, 5339), (4161, 4496)]