19909610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{284423}}^1$

素因数の和:284437

約数の個数: 16

約数和(自身を含む): 40957056

約数和(自身を除く): 21047446

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 284423, 568846, 1422115, 1990961, 2844230, 3981922, 9954805, 19909610]

約数ペア:

[(1, 19909610), (2, 9954805), (5, 3981922), (7, 2844230), (10, 1990961), (14, 1422115), (35, 568846), (70, 284423)]