19976076

素因数分解:

$2^2\times 3^2\times {\mathrm{554891}}^1$

素因数の和:554901

約数の個数: 18

約数和(自身を含む): 50495172

約数和(自身を除く): 30519096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554891, 1109782, 1664673, 2219564, 3329346, 4994019, 6658692, 9988038, 19976076]

約数ペア:

[(1, 19976076), (2, 9988038), (3, 6658692), (4, 4994019), (6, 3329346), (9, 2219564), (12, 1664673), (18, 1109782), (36, 554891)]