19870130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283859}}^1$

素因数の和:283873

約数の個数: 16

約数和(自身を含む): 40875840

約数和(自身を除く): 21005710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283859, 567718, 1419295, 1987013, 2838590, 3974026, 9935065, 19870130]

約数ペア:

[(1, 19870130), (2, 9935065), (5, 3974026), (7, 2838590), (10, 1987013), (14, 1419295), (35, 567718), (70, 283859)]