19616655

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 12897393

約数列:

[1, 3, 5, 15, 41, 123, 167, 191, 205, 501, 573, 615, 835, 955, 2505, 2865, 6847, 7831, 20541, 23493, 31897, 34235, 39155, 95691, 102705, 117465, 159485, 478455, 1307777, 3923331, 6538885, 19616655]

約数ペア:

[(1, 19616655), (3, 6538885), (5, 3923331), (15, 1307777), (41, 478455), (123, 159485), (167, 117465), (191, 102705), (205, 95691), (501, 39155), (573, 34235), (615, 31897), (835, 23493), (955, 20541), (2505, 7831), (2865, 6847)]