19963977

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 31380480

約数和(自身を除く): 11416503

約数列:

[1, 3, 11, 23, 29, 33, 69, 87, 253, 319, 667, 759, 907, 957, 2001, 2721, 7337, 9977, 20861, 22011, 26303, 29931, 62583, 78909, 229471, 289333, 604969, 688413, 867999, 1814907, 6654659, 19963977]

約数ペア:

[(1, 19963977), (3, 6654659), (11, 1814907), (23, 867999), (29, 688413), (33, 604969), (69, 289333), (87, 229471), (253, 78909), (319, 62583), (667, 29931), (759, 26303), (907, 22011), (957, 20861), (2001, 9977), (2721, 7337)]