18909321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3671}}^1$

素因数の和:3792

約数の個数: 16

約数和(自身を含む): 26967168

約数和(自身を除く): 8057847

約数列:

[1, 3, 17, 51, 101, 303, 1717, 3671, 5151, 11013, 62407, 187221, 370771, 1112313, 6303107, 18909321]

約数ペア:

[(1, 18909321), (3, 6303107), (17, 1112313), (51, 370771), (101, 187221), (303, 62407), (1717, 11013), (3671, 5151)]