19980457338

素因数分解:

$2^1\times 3^1\times {\mathrm{863}}^1\times {\mathrm{3858721}}^1$

素因数の和:3859589

約数の個数: 16

約数和(自身を含む): 40007229696

約数和(自身を除く): 20026772358

約数列:

[1, 2, 3, 6, 863, 1726, 2589, 5178, 3858721, 7717442, 11576163, 23152326, 3330076223, 6660152446, 9990228669, 19980457338]

約数ペア:

[(1, 19980457338), (2, 9990228669), (3, 6660152446), (6, 3330076223), (863, 23152326), (1726, 11576163), (2589, 7717442), (5178, 3858721)]