18815351

素因数分解:

${\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 20173440

約数和(自身を除く): 1358089

約数列:

[1, 37, 41, 79, 157, 1517, 2923, 3239, 5809, 6437, 12403, 119843, 238169, 458911, 508523, 18815351]

約数ペア:

[(1, 18815351), (37, 508523), (41, 458911), (79, 238169), (157, 119843), (1517, 12403), (2923, 6437), (3239, 5809)]