19125885

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 31715712

約数和(自身を除く): 12589827

約数列:

[1, 3, 5, 15, 41, 123, 137, 205, 227, 411, 615, 681, 685, 1135, 2055, 3405, 5617, 9307, 16851, 27921, 28085, 31099, 46535, 84255, 93297, 139605, 155495, 466485, 1275059, 3825177, 6375295, 19125885]

約数ペア:

[(1, 19125885), (3, 6375295), (5, 3825177), (15, 1275059), (41, 466485), (123, 155495), (137, 139605), (205, 93297), (227, 84255), (411, 46535), (615, 31099), (681, 28085), (685, 27921), (1135, 16851), (2055, 9307), (3405, 5617)]