19555641

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{967}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 13898439

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 967, 2247, 2889, 2901, 6741, 6769, 8703, 20223, 20307, 26109, 60921, 103469, 182763, 310407, 724283, 931221, 2172849, 2793663, 6518547, 19555641]

約数ペア:

[(1, 19555641), (3, 6518547), (7, 2793663), (9, 2172849), (21, 931221), (27, 724283), (63, 310407), (107, 182763), (189, 103469), (321, 60921), (749, 26109), (963, 20307), (967, 20223), (2247, 8703), (2889, 6769), (2901, 6741)]