18243568

素因数分解:

$2^4\times 7^1\times {\mathrm{162889}}^1$

素因数の和:162904

約数の個数: 20

約数和(自身を含む): 40396720

約数和(自身を除く): 22153152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 162889, 325778, 651556, 1140223, 1303112, 2280446, 2606224, 4560892, 9121784, 18243568]

約数ペア:

[(1, 18243568), (2, 9121784), (4, 4560892), (7, 2606224), (8, 2280446), (14, 1303112), (16, 1140223), (28, 651556), (56, 325778), (112, 162889)]