1921040900

素因数分解:

$2^2\times 5^2\times {\mathrm{19210409}}^1$

素因数の和:19210423

約数の個数: 18

約数和(自身を含む): 4168658970

約数和(自身を除く): 2247618070

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 19210409, 38420818, 76841636, 96052045, 192104090, 384208180, 480260225, 960520450, 1921040900]

約数ペア:

[(1, 1921040900), (2, 960520450), (4, 480260225), (5, 384208180), (10, 192104090), (20, 96052045), (25, 76841636), (50, 38420818), (100, 19210409)]