18203536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87517}}^1$

素因数の和:87538

約数の個数: 20

約数和(自身を含む): 37982812

約数和(自身を除く): 19779276

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87517, 175034, 350068, 700136, 1137721, 1400272, 2275442, 4550884, 9101768, 18203536]

約数ペア:

[(1, 18203536), (2, 9101768), (4, 4550884), (8, 2275442), (13, 1400272), (16, 1137721), (26, 700136), (52, 350068), (104, 175034), (208, 87517)]