18843687

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 9985113

約数列:

[1, 3, 9, 19, 57, 171, 263, 419, 789, 1257, 2367, 3771, 4997, 7961, 14991, 23883, 44973, 71649, 110197, 330591, 991773, 2093743, 6281229, 18843687]

約数ペア:

[(1, 18843687), (3, 6281229), (9, 2093743), (19, 991773), (57, 330591), (171, 110197), (263, 71649), (419, 44973), (789, 23883), (1257, 14991), (2367, 7961), (3771, 4997)]