19833554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 33611760

約数和(自身を除く): 13778206

約数列:

[1, 2, 13, 26, 37, 53, 74, 106, 389, 481, 689, 778, 962, 1378, 1961, 3922, 5057, 10114, 14393, 20617, 25493, 28786, 41234, 50986, 187109, 268021, 374218, 536042, 762829, 1525658, 9916777, 19833554]

約数ペア:

[(1, 19833554), (2, 9916777), (13, 1525658), (26, 762829), (37, 536042), (53, 374218), (74, 268021), (106, 187109), (389, 50986), (481, 41234), (689, 28786), (778, 25493), (962, 20617), (1378, 14393), (1961, 10114), (3922, 5057)]