19328763

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 28279296

約数和(自身を除く): 8950533

約数列:

[1, 3, 23, 37, 67, 69, 111, 113, 201, 339, 851, 1541, 2479, 2553, 2599, 4181, 4623, 7437, 7571, 7797, 12543, 22713, 57017, 96163, 171051, 174133, 280127, 288489, 522399, 840381, 6442921, 19328763]

約数ペア:

[(1, 19328763), (3, 6442921), (23, 840381), (37, 522399), (67, 288489), (69, 280127), (111, 174133), (113, 171051), (201, 96163), (339, 57017), (851, 22713), (1541, 12543), (2479, 7797), (2553, 7571), (2599, 7437), (4181, 4623)]