19116537

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9913863

約数列:

[1, 3, 11, 33, 41, 71, 123, 199, 213, 451, 597, 781, 1353, 2189, 2343, 2911, 6567, 8159, 8733, 14129, 24477, 32021, 42387, 89749, 96063, 155419, 269247, 466257, 579289, 1737867, 6372179, 19116537]

約数ペア:

[(1, 19116537), (3, 6372179), (11, 1737867), (33, 579289), (41, 466257), (71, 269247), (123, 155419), (199, 96063), (213, 89749), (451, 42387), (597, 32021), (781, 24477), (1353, 14129), (2189, 8733), (2343, 8159), (2911, 6567)]