18095391

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 29484000

約数和(自身を除く): 11388609

約数列:

[1, 3, 9, 19, 29, 41, 57, 87, 89, 123, 171, 261, 267, 369, 551, 779, 801, 1189, 1653, 1691, 2337, 2581, 3567, 3649, 4959, 5073, 7011, 7743, 10701, 10947, 15219, 22591, 23229, 32841, 49039, 67773, 69331, 105821, 147117, 203319, 207993, 317463, 441351, 623979, 952389, 2010599, 6031797, 18095391]

約数ペア:

[(1, 18095391), (3, 6031797), (9, 2010599), (19, 952389), (29, 623979), (41, 441351), (57, 317463), (87, 207993), (89, 203319), (123, 147117), (171, 105821), (261, 69331), (267, 67773), (369, 49039), (551, 32841), (779, 23229), (801, 22591), (1189, 15219), (1653, 10947), (1691, 10701), (2337, 7743), (2581, 7011), (3567, 5073), (3649, 4959)]