19514187

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 36391680

約数和(自身を除く): 16877493

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 971, 1827, 2233, 2871, 2913, 6699, 6797, 8739, 10681, 20097, 20391, 28159, 32043, 61173, 74767, 84477, 96129, 197113, 224301, 253431, 309749, 591339, 672903, 929247, 1774017, 2168243, 2787741, 6504729, 19514187]

約数ペア:

[(1, 19514187), (3, 6504729), (7, 2787741), (9, 2168243), (11, 1774017), (21, 929247), (29, 672903), (33, 591339), (63, 309749), (77, 253431), (87, 224301), (99, 197113), (203, 96129), (231, 84477), (261, 74767), (319, 61173), (609, 32043), (693, 28159), (957, 20391), (971, 20097), (1827, 10681), (2233, 8739), (2871, 6797), (2913, 6699)]