19859536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73013}}^1$

素因数の和:73038

約数の個数: 20

約数和(自身を含む): 40741812

約数和(自身を除く): 20882276

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73013, 146026, 292052, 584104, 1168208, 1241221, 2482442, 4964884, 9929768, 19859536]

約数ペア:

[(1, 19859536), (2, 9929768), (4, 4964884), (8, 2482442), (16, 1241221), (17, 1168208), (34, 584104), (68, 292052), (136, 146026), (272, 73013)]