12947056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42589}}^1$

素因数の和:42616

約数の個数: 20

約数和(自身を含む): 26405800

約数和(自身を除く): 13458744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42589, 85178, 170356, 340712, 681424, 809191, 1618382, 3236764, 6473528, 12947056]

約数ペア:

[(1, 12947056), (2, 6473528), (4, 3236764), (8, 1618382), (16, 809191), (19, 681424), (38, 340712), (76, 170356), (152, 85178), (304, 42589)]