18680744

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{26237}}^1$

素因数の和:26332

約数の個数: 16

約数和(自身を含む): 35421300

約数和(自身を除く): 16740556

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 26237, 52474, 104948, 209896, 2335093, 4670186, 9340372, 18680744]

約数ペア:

[(1, 18680744), (2, 9340372), (4, 4670186), (8, 2335093), (89, 209896), (178, 104948), (356, 52474), (712, 26237)]