18585585

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1$

素因数の和:4486

約数の個数: 32

約数和(自身を含む): 34114560

約数和(自身を除く): 15528975

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4441, 13323, 22205, 39969, 66615, 119907, 137671, 199845, 413013, 599535, 688355, 1239039, 2065065, 3717117, 6195195, 18585585]

約数ペア:

[(1, 18585585), (3, 6195195), (5, 3717117), (9, 2065065), (15, 1239039), (27, 688355), (31, 599535), (45, 413013), (93, 199845), (135, 137671), (155, 119907), (279, 66615), (465, 39969), (837, 22205), (1395, 13323), (4185, 4441)]