19404644

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16903}}^1$

素因数の和:16955

約数の個数: 24

約数和(自身を含む): 39758208

約数和(自身を除く): 20353564

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16903, 33806, 67612, 118321, 236642, 473284, 693023, 1386046, 2772092, 4851161, 9702322, 19404644]

約数ペア:

[(1, 19404644), (2, 9702322), (4, 4851161), (7, 2772092), (14, 1386046), (28, 693023), (41, 473284), (82, 236642), (164, 118321), (287, 67612), (574, 33806), (1148, 16903)]