19928608

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2129

約数の個数: 48

約数和(自身を含む): 45904320

約数和(自身を除く): 25975712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2069, 2408, 4138, 4816, 8276, 9632, 14483, 16552, 28966, 33104, 57932, 66208, 88967, 115864, 177934, 231728, 355868, 463456, 622769, 711736, 1245538, 1423472, 2491076, 2846944, 4982152, 9964304, 19928608]

約数ペア:

[(1, 19928608), (2, 9964304), (4, 4982152), (7, 2846944), (8, 2491076), (14, 1423472), (16, 1245538), (28, 711736), (32, 622769), (43, 463456), (56, 355868), (86, 231728), (112, 177934), (172, 115864), (224, 88967), (301, 66208), (344, 57932), (602, 33104), (688, 28966), (1204, 16552), (1376, 14483), (2069, 9632), (2408, 8276), (4138, 4816)]