18839536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69263}}^1$

素因数の和:69288

約数の個数: 20

約数和(自身を含む): 38649312

約数和(自身を除く): 19809776

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69263, 138526, 277052, 554104, 1108208, 1177471, 2354942, 4709884, 9419768, 18839536]

約数ペア:

[(1, 18839536), (2, 9419768), (4, 4709884), (8, 2354942), (16, 1177471), (17, 1108208), (34, 554104), (68, 277052), (136, 138526), (272, 69263)]