18696255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1297}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 30933936

約数和(自身を除く): 12237681

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1297, 2883, 3891, 4805, 6485, 14415, 19455, 40207, 120621, 201035, 603105, 1246417, 3739251, 6232085, 18696255]

約数ペア:

[(1, 18696255), (3, 6232085), (5, 3739251), (15, 1246417), (31, 603105), (93, 201035), (155, 120621), (465, 40207), (961, 19455), (1297, 14415), (2883, 6485), (3891, 4805)]