19370020

素因数分解:

$2^2\times 5^1\times {\mathrm{968501}}^1$

素因数の和:968510

約数の個数: 12

約数和(自身を含む): 40677084

約数和(自身を除く): 21307064

約数列:

[1, 2, 4, 5, 10, 20, 968501, 1937002, 3874004, 4842505, 9685010, 19370020]

約数ペア:

[(1, 19370020), (2, 9685010), (4, 4842505), (5, 3874004), (10, 1937002), (20, 968501)]