19536912

素因数分解:

$2^4\times 3^2\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:868

約数の個数: 60

約数和(自身を含む): 55020784

約数和(自身を除く): 35483872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 211, 422, 633, 643, 844, 1266, 1286, 1688, 1899, 1929, 2532, 2572, 3376, 3798, 3858, 5064, 5144, 5787, 7596, 7716, 10128, 10288, 11574, 15192, 15432, 23148, 30384, 30864, 46296, 92592, 135673, 271346, 407019, 542692, 814038, 1085384, 1221057, 1628076, 2170768, 2442114, 3256152, 4884228, 6512304, 9768456, 19536912]

約数ペア:

[(1, 19536912), (2, 9768456), (3, 6512304), (4, 4884228), (6, 3256152), (8, 2442114), (9, 2170768), (12, 1628076), (16, 1221057), (18, 1085384), (24, 814038), (36, 542692), (48, 407019), (72, 271346), (144, 135673), (211, 92592), (422, 46296), (633, 30864), (643, 30384), (844, 23148), (1266, 15432), (1286, 15192), (1688, 11574), (1899, 10288), (1929, 10128), (2532, 7716), (2572, 7596), (3376, 5787), (3798, 5144), (3858, 5064)]