18479888

素因数分解:

$2^4\times 7^1\times {\mathrm{164999}}^1$

素因数の和:165014

約数の個数: 20

約数和(自身を含む): 40920000

約数和(自身を除く): 22440112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 164999, 329998, 659996, 1154993, 1319992, 2309986, 2639984, 4619972, 9239944, 18479888]

約数ペア:

[(1, 18479888), (2, 9239944), (4, 4619972), (7, 2639984), (8, 2309986), (14, 1319992), (16, 1154993), (28, 659996), (56, 329998), (112, 164999)]