19976658

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1327}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 43282176

約数和(自身を除く): 23305518

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 193, 386, 579, 1158, 1327, 2509, 2654, 3981, 5018, 7527, 7962, 15054, 17251, 34502, 51753, 103506, 256111, 512222, 768333, 1536666, 3329443, 6658886, 9988329, 19976658]

約数ペア:

[(1, 19976658), (2, 9988329), (3, 6658886), (6, 3329443), (13, 1536666), (26, 768333), (39, 512222), (78, 256111), (193, 103506), (386, 51753), (579, 34502), (1158, 17251), (1327, 15054), (2509, 7962), (2654, 7527), (3981, 5018)]