19418542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 35038080

約数和(自身を除く): 15619538

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1579, 3158, 6149, 12298, 17369, 20527, 34738, 41054, 67897, 135794, 225797, 451594, 746867, 882661, 1493734, 1765322, 9709271, 19418542]

約数ペア:

[(1, 19418542), (2, 9709271), (11, 1765322), (13, 1493734), (22, 882661), (26, 746867), (43, 451594), (86, 225797), (143, 135794), (286, 67897), (473, 41054), (559, 34738), (946, 20527), (1118, 17369), (1579, 12298), (3158, 6149)]