19635490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{280507}}^1$

素因数の和:280521

約数の個数: 16

約数和(自身を含む): 40393152

約数和(自身を除く): 20757662

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 280507, 561014, 1402535, 1963549, 2805070, 3927098, 9817745, 19635490]

約数ペア:

[(1, 19635490), (2, 9817745), (5, 3927098), (7, 2805070), (10, 1963549), (14, 1402535), (35, 561014), (70, 280507)]