18719889892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1368013}}^1$

素因数の和:1368339

約数の個数: 24

約数和(自身を含む): 35852910912

約数和(自身を除く): 17133021020

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 3421, 6842, 13684, 1368013, 2736026, 5472052, 15048143, 30096286, 60192572, 425452043, 850904086, 1701808172, 4679972473, 9359944946, 18719889892]

約数ペア:

[(1, 18719889892), (2, 9359944946), (4, 4679972473), (11, 1701808172), (22, 850904086), (44, 425452043), (311, 60192572), (622, 30096286), (1244, 15048143), (3421, 5472052), (6842, 2736026), (13684, 1368013)]