19031331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 10459869

約数列:

[1, 3, 11, 19, 33, 57, 127, 209, 239, 381, 627, 717, 1397, 2413, 2629, 4191, 4541, 7239, 7887, 13623, 26543, 30353, 49951, 79629, 91059, 149853, 333883, 576707, 1001649, 1730121, 6343777, 19031331]

約数ペア:

[(1, 19031331), (3, 6343777), (11, 1730121), (19, 1001649), (33, 576707), (57, 333883), (127, 149853), (209, 91059), (239, 79629), (381, 49951), (627, 30353), (717, 26543), (1397, 13623), (2413, 7887), (2629, 7239), (4191, 4541)]