18218416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59929}}^1$

素因数の和:59956

約数の個数: 20

約数和(自身を含む): 37156600

約数和(自身を除く): 18938184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 59929, 119858, 239716, 479432, 958864, 1138651, 2277302, 4554604, 9109208, 18218416]

約数ペア:

[(1, 18218416), (2, 9109208), (4, 4554604), (8, 2277302), (16, 1138651), (19, 958864), (38, 479432), (76, 239716), (152, 119858), (304, 59929)]