18251888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{27823}}^1$

素因数の和:27872

約数の個数: 20

約数和(自身を含む): 36226848

約数和(自身を除く): 17974960

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 27823, 55646, 111292, 222584, 445168, 1140743, 2281486, 4562972, 9125944, 18251888]

約数ペア:

[(1, 18251888), (2, 9125944), (4, 4562972), (8, 2281486), (16, 1140743), (41, 445168), (82, 222584), (164, 111292), (328, 55646), (656, 27823)]