19879542

素因数分解:

$2^1\times 3^2\times {\mathrm{239}}^1\times {\mathrm{4621}}^1$

素因数の和:4868

約数の個数: 24

約数和(自身を含む): 43261920

約数和(自身を除く): 23382378

約数列:

[1, 2, 3, 6, 9, 18, 239, 478, 717, 1434, 2151, 4302, 4621, 9242, 13863, 27726, 41589, 83178, 1104419, 2208838, 3313257, 6626514, 9939771, 19879542]

約数ペア:

[(1, 19879542), (2, 9939771), (3, 6626514), (6, 3313257), (9, 2208838), (18, 1104419), (239, 83178), (478, 41589), (717, 27726), (1434, 13863), (2151, 9242), (4302, 4621)]