18280886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 31358208

約数和(自身を除く): 13077322

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 613, 806, 962, 1147, 1226, 2294, 7969, 14911, 15938, 19003, 22681, 29822, 38006, 45362, 247039, 294853, 494078, 589706, 703111, 1406222, 9140443, 18280886]

約数ペア:

[(1, 18280886), (2, 9140443), (13, 1406222), (26, 703111), (31, 589706), (37, 494078), (62, 294853), (74, 247039), (403, 45362), (481, 38006), (613, 29822), (806, 22681), (962, 19003), (1147, 15938), (1226, 14911), (2294, 7969)]