18772285

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28229}}^1$

素因数の和:28260

約数の個数: 16

約数和(自身を含む): 27100800

約数和(自身を除く): 8328515

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 28229, 141145, 197603, 536351, 988015, 2681755, 3754457, 18772285]

約数ペア:

[(1, 18772285), (5, 3754457), (7, 2681755), (19, 988015), (35, 536351), (95, 197603), (133, 141145), (665, 28229)]