18806955

素因数分解:

$3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1987}}^1$

素因数の和:2626

約数の個数: 16

約数和(自身を含む): 30153984

約数和(自身を除く): 11347029

約数列:

[1, 3, 5, 15, 631, 1893, 1987, 3155, 5961, 9465, 9935, 29805, 1253797, 3761391, 6268985, 18806955]

約数ペア:

[(1, 18806955), (3, 6268985), (5, 3761391), (15, 1253797), (631, 29805), (1893, 9935), (1987, 9465), (3155, 5961)]