1978370992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9511399}}^1$

素因数の和:9511420

約数の個数: 20

約数和(自身を含む): 4127947600

約数和(自身を除く): 2149576608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9511399, 19022798, 38045596, 76091192, 123648187, 152182384, 247296374, 494592748, 989185496, 1978370992]

約数ペア:

[(1, 1978370992), (2, 989185496), (4, 494592748), (8, 247296374), (13, 152182384), (16, 123648187), (26, 76091192), (52, 38045596), (104, 19022798), (208, 9511399)]