15871888

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{9631}}^1$

素因数の和:9742

約数の個数: 20

約数和(自身を含む): 31053568

約数和(自身を除く): 15181680

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 9631, 19262, 38524, 77048, 154096, 991993, 1983986, 3967972, 7935944, 15871888]

約数ペア:

[(1, 15871888), (2, 7935944), (4, 3967972), (8, 1983986), (16, 991993), (103, 154096), (206, 77048), (412, 38524), (824, 19262), (1648, 9631)]