19664194

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 33203520

約数和(自身を除く): 13539326

約数列:

[1, 2, 11, 22, 83, 89, 121, 166, 178, 242, 913, 979, 1331, 1826, 1958, 2662, 7387, 10043, 10769, 14774, 20086, 21538, 81257, 110473, 118459, 162514, 220946, 236918, 893827, 1787654, 9832097, 19664194]

約数ペア:

[(1, 19664194), (2, 9832097), (11, 1787654), (22, 893827), (83, 236918), (89, 220946), (121, 162514), (166, 118459), (178, 110473), (242, 81257), (913, 21538), (979, 20086), (1331, 14774), (1826, 10769), (1958, 10043), (2662, 7387)]