19668544

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1083

約数の個数: 56

約数和(自身を含む): 45687488

約数和(自身を除く): 26018944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 602, 688, 1021, 1204, 1376, 2042, 2408, 2752, 4084, 4816, 7147, 8168, 9632, 14294, 16336, 19264, 28588, 32672, 43903, 57176, 65344, 87806, 114352, 175612, 228704, 307321, 351224, 457408, 614642, 702448, 1229284, 1404896, 2458568, 2809792, 4917136, 9834272, 19668544]

約数ペア:

[(1, 19668544), (2, 9834272), (4, 4917136), (7, 2809792), (8, 2458568), (14, 1404896), (16, 1229284), (28, 702448), (32, 614642), (43, 457408), (56, 351224), (64, 307321), (86, 228704), (112, 175612), (172, 114352), (224, 87806), (301, 65344), (344, 57176), (448, 43903), (602, 32672), (688, 28588), (1021, 19264), (1204, 16336), (1376, 14294), (2042, 9632), (2408, 8168), (2752, 7147), (4084, 4816)]