18988208

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7559}}^1$

素因数の和:7724

約数の個数: 20

約数和(自身を含む): 37028880

約数和(自身を除く): 18040672

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7559, 15118, 30236, 60472, 120944, 1186763, 2373526, 4747052, 9494104, 18988208]

約数ペア:

[(1, 18988208), (2, 9494104), (4, 4747052), (8, 2373526), (16, 1186763), (157, 120944), (314, 60472), (628, 30236), (1256, 15118), (2512, 7559)]