19984810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54013}}^1$

素因数の和:54057

約数の個数: 16

約数和(自身を含む): 36945576

約数和(自身を除く): 16960766

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 54013, 108026, 270065, 540130, 1998481, 3996962, 9992405, 19984810]

約数ペア:

[(1, 19984810), (2, 9992405), (5, 3996962), (10, 1998481), (37, 540130), (74, 270065), (185, 108026), (370, 54013)]