18641883

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 27300672

約数和(自身を除く): 8658789

約数列:

[1, 3, 13, 39, 83, 169, 249, 443, 507, 1079, 1329, 3237, 5759, 14027, 17277, 36769, 42081, 74867, 110307, 224601, 477997, 1433991, 6213961, 18641883]

約数ペア:

[(1, 18641883), (3, 6213961), (13, 1433991), (39, 477997), (83, 224601), (169, 110307), (249, 74867), (443, 42081), (507, 36769), (1079, 17277), (1329, 14027), (3237, 5759)]