18709785

素因数分解:

$3^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:114

約数の個数: 64

約数和(自身を含む): 35424000

約数和(自身を除く): 16714215

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 59, 81, 87, 135, 145, 177, 243, 261, 295, 405, 435, 531, 729, 783, 885, 1215, 1305, 1593, 1711, 2187, 2349, 2655, 3645, 3915, 4779, 5133, 7047, 7965, 8555, 10935, 11745, 14337, 15399, 21141, 23895, 25665, 35235, 43011, 46197, 63423, 71685, 76995, 105705, 129033, 138591, 215055, 230985, 317115, 415773, 645165, 692955, 1247319, 2078865, 3741957, 6236595, 18709785]

約数ペア:

[(1, 18709785), (3, 6236595), (5, 3741957), (9, 2078865), (15, 1247319), (27, 692955), (29, 645165), (45, 415773), (59, 317115), (81, 230985), (87, 215055), (135, 138591), (145, 129033), (177, 105705), (243, 76995), (261, 71685), (295, 63423), (405, 46197), (435, 43011), (531, 35235), (729, 25665), (783, 23895), (885, 21141), (1215, 15399), (1305, 14337), (1593, 11745), (1711, 10935), (2187, 8555), (2349, 7965), (2655, 7047), (3645, 5133), (3915, 4779)]