18775888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69029}}^1$

素因数の和:69054

約数の個数: 20

約数和(自身を含む): 38518740

約数和(自身を除く): 19742852

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69029, 138058, 276116, 552232, 1104464, 1173493, 2346986, 4693972, 9387944, 18775888]

約数ペア:

[(1, 18775888), (2, 9387944), (4, 4693972), (8, 2346986), (16, 1173493), (17, 1104464), (34, 552232), (68, 276116), (136, 138058), (272, 69029)]