18080144

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{1979}}^1$

素因数の和:2558

約数の個数: 20

約数和(自身を含む): 35109360

約数和(自身を除く): 17029216

約数列:

[1, 2, 4, 8, 16, 571, 1142, 1979, 2284, 3958, 4568, 7916, 9136, 15832, 31664, 1130009, 2260018, 4520036, 9040072, 18080144]

約数ペア:

[(1, 18080144), (2, 9040072), (4, 4520036), (8, 2260018), (16, 1130009), (571, 31664), (1142, 15832), (1979, 9136), (2284, 7916), (3958, 4568)]