2018022255

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{121531}}^1$

素因数の和:121589

約数の個数: 40

約数和(自身を含む): 3705753744

約数和(自身を除く): 1687731489

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 5535, 16605, 121531, 364593, 607655, 1093779, 1822965, 3281337, 4982771, 5468895, 9844011, 14948313, 16406685, 24913855, 44844939, 49220055, 74741565, 134534817, 224224695, 403604451, 672674085, 2018022255]

約数ペア:

[(1, 2018022255), (3, 672674085), (5, 403604451), (9, 224224695), (15, 134534817), (27, 74741565), (41, 49220055), (45, 44844939), (81, 24913855), (123, 16406685), (135, 14948313), (205, 9844011), (369, 5468895), (405, 4982771), (615, 3281337), (1107, 1822965), (1845, 1093779), (3321, 607655), (5535, 364593), (16605, 121531)]