19520848

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{3923}}^1$

素因数の和:4242

約数の個数: 20

約数和(自身を含む): 37952928

約数和(自身を除く): 18432080

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 3923, 4976, 7846, 15692, 31384, 62768, 1220053, 2440106, 4880212, 9760424, 19520848]

約数ペア:

[(1, 19520848), (2, 9760424), (4, 4880212), (8, 2440106), (16, 1220053), (311, 62768), (622, 31384), (1244, 15692), (2488, 7846), (3923, 4976)]