18619258

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 33035904

約数和(自身を除く): 14416646

約数列:

[1, 2, 7, 14, 43, 86, 157, 197, 301, 314, 394, 602, 1099, 1379, 2198, 2758, 6751, 8471, 13502, 16942, 30929, 47257, 59297, 61858, 94514, 118594, 216503, 433006, 1329947, 2659894, 9309629, 18619258]

約数ペア:

[(1, 18619258), (2, 9309629), (7, 2659894), (14, 1329947), (43, 433006), (86, 216503), (157, 118594), (197, 94514), (301, 61858), (314, 59297), (394, 47257), (602, 30929), (1099, 16942), (1379, 13502), (2198, 8471), (2758, 6751)]