19878042

素因数分解:

$2^1\times 3^1\times {\mathrm{977}}^1\times {\mathrm{3391}}^1$

素因数の和:4373

約数の個数: 16

約数和(自身を含む): 39808512

約数和(自身を除く): 19930470

約数列:

[1, 2, 3, 6, 977, 1954, 2931, 3391, 5862, 6782, 10173, 20346, 3313007, 6626014, 9939021, 19878042]

約数ペア:

[(1, 19878042), (2, 9939021), (3, 6626014), (6, 3313007), (977, 20346), (1954, 10173), (2931, 6782), (3391, 5862)]