19837908

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4339}}^1$

素因数の和:4476

約数の個数: 36

約数和(自身を含む): 50552320

約数和(自身を除く): 30714412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4339, 4572, 8678, 13017, 17356, 26034, 39051, 52068, 78102, 156204, 551053, 1102106, 1653159, 2204212, 3306318, 4959477, 6612636, 9918954, 19837908]

約数ペア:

[(1, 19837908), (2, 9918954), (3, 6612636), (4, 4959477), (6, 3306318), (9, 2204212), (12, 1653159), (18, 1102106), (36, 551053), (127, 156204), (254, 78102), (381, 52068), (508, 39051), (762, 26034), (1143, 17356), (1524, 13017), (2286, 8678), (4339, 4572)]