18978054

素因数分解:

$2^1\times 3^1\times {\mathrm{1237}}^1\times {\mathrm{2557}}^1$

素因数の和:3799

約数の個数: 16

約数和(自身を含む): 38001648

約数和(自身を除く): 19023594

約数列:

[1, 2, 3, 6, 1237, 2474, 2557, 3711, 5114, 7422, 7671, 15342, 3163009, 6326018, 9489027, 18978054]

約数ペア:

[(1, 18978054), (2, 9489027), (3, 6326018), (6, 3163009), (1237, 15342), (2474, 7671), (2557, 7422), (3711, 5114)]