18288254

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:1027

約数の個数: 16

約数和(自身を含む): 27993600

約数和(自身を除く): 9705346

約数列:

[1, 2, 89, 127, 178, 254, 809, 1618, 11303, 22606, 72001, 102743, 144002, 205486, 9144127, 18288254]

約数ペア:

[(1, 18288254), (2, 9144127), (89, 205486), (127, 144002), (178, 102743), (254, 72001), (809, 22606), (1618, 11303)]