18747345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2049

約数の個数: 32

約数和(自身を含む): 32635008

約数和(自身を除く): 13887663

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 1987, 3145, 5961, 9435, 9935, 29805, 33779, 73519, 101337, 168895, 220557, 367595, 506685, 1102785, 1249823, 3749469, 6249115, 18747345]

約数ペア:

[(1, 18747345), (3, 6249115), (5, 3749469), (15, 1249823), (17, 1102785), (37, 506685), (51, 367595), (85, 220557), (111, 168895), (185, 101337), (255, 73519), (555, 33779), (629, 29805), (1887, 9935), (1987, 9435), (3145, 5961)]