219921618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{275591}}^1$

素因数の和:275622

約数の個数: 32

約数和(自身を含む): 529136640

約数和(自身を除く): 309215022

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 275591, 551182, 826773, 1653546, 1929137, 3858274, 5236229, 5787411, 10472458, 11574822, 15708687, 31417374, 36653603, 73307206, 109960809, 219921618]

約数ペア:

[(1, 219921618), (2, 109960809), (3, 73307206), (6, 36653603), (7, 31417374), (14, 15708687), (19, 11574822), (21, 10472458), (38, 5787411), (42, 5236229), (57, 3858274), (114, 1929137), (133, 1653546), (266, 826773), (399, 551182), (798, 275591)]