19906936

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 44466840

約数和(自身を除く): 24559904

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1181, 1204, 2107, 2362, 2408, 4214, 4724, 8267, 8428, 9448, 16534, 16856, 33068, 50783, 57869, 66136, 101566, 115738, 203132, 231476, 355481, 406264, 462952, 710962, 1421924, 2488367, 2843848, 4976734, 9953468, 19906936]

約数ペア:

[(1, 19906936), (2, 9953468), (4, 4976734), (7, 2843848), (8, 2488367), (14, 1421924), (28, 710962), (43, 462952), (49, 406264), (56, 355481), (86, 231476), (98, 203132), (172, 115738), (196, 101566), (301, 66136), (344, 57869), (392, 50783), (602, 33068), (1181, 16856), (1204, 16534), (2107, 9448), (2362, 8428), (2408, 8267), (4214, 4724)]