18939018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{450929}}^1$

素因数の和:450941

約数の個数: 16

約数和(自身を含む): 43289280

約数和(自身を除く): 24350262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 450929, 901858, 1352787, 2705574, 3156503, 6313006, 9469509, 18939018]

約数ペア:

[(1, 18939018), (2, 9469509), (3, 6313006), (6, 3156503), (7, 2705574), (14, 1352787), (21, 901858), (42, 450929)]