18801477855

素因数分解:

$3^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{430289}}^1$

素因数の和:431271

約数の個数: 24

約数和(自身を含む): 32622866640

約数和(自身を除く): 13821388785

約数列:

[1, 3, 5, 9, 15, 45, 971, 2913, 4855, 8739, 14565, 43695, 430289, 1290867, 2151445, 3872601, 6454335, 19363005, 417810619, 1253431857, 2089053095, 3760295571, 6267159285, 18801477855]

約数ペア:

[(1, 18801477855), (3, 6267159285), (5, 3760295571), (9, 2089053095), (15, 1253431857), (45, 417810619), (971, 19363005), (2913, 6454335), (4855, 3872601), (8739, 2151445), (14565, 1290867), (43695, 430289)]