19818645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17159}}^1$

素因数の和:17185

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 19717995

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17159, 51477, 85795, 120113, 188749, 257385, 360339, 566247, 600565, 943745, 1321243, 1801695, 2831235, 3963729, 6606215, 19818645]

約数ペア:

[(1, 19818645), (3, 6606215), (5, 3963729), (7, 2831235), (11, 1801695), (15, 1321243), (21, 943745), (33, 600565), (35, 566247), (55, 360339), (77, 257385), (105, 188749), (165, 120113), (231, 85795), (385, 51477), (1155, 17159)]