18281986

素因数分解:

$2^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:633

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 9538814

約数列:

[1, 2, 179, 223, 229, 358, 446, 458, 39917, 40991, 51067, 79834, 81982, 102134, 9140993, 18281986]

約数ペア:

[(1, 18281986), (2, 9140993), (179, 102134), (223, 81982), (229, 79834), (358, 51067), (446, 40991), (458, 39917)]