19987710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1439}}^1$

素因数の和:1912

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 28119810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 463, 926, 1389, 1439, 2315, 2778, 2878, 4317, 4630, 6945, 7195, 8634, 13890, 14390, 21585, 43170, 666257, 1332514, 1998771, 3331285, 3997542, 6662570, 9993855, 19987710]

約数ペア:

[(1, 19987710), (2, 9993855), (3, 6662570), (5, 3997542), (6, 3331285), (10, 1998771), (15, 1332514), (30, 666257), (463, 43170), (926, 21585), (1389, 14390), (1439, 13890), (2315, 8634), (2778, 7195), (2878, 6945), (4317, 4630)]