19828284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1723}}^1$

素因数の和:1874

約数の個数: 48

約数和(自身を含む): 53292288

約数和(自身を除く): 33464004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1644, 1723, 1918, 2877, 3446, 3836, 5169, 5754, 6892, 10338, 11508, 12061, 20676, 24122, 36183, 48244, 72366, 144732, 236051, 472102, 708153, 944204, 1416306, 1652357, 2832612, 3304714, 4957071, 6609428, 9914142, 19828284]

約数ペア:

[(1, 19828284), (2, 9914142), (3, 6609428), (4, 4957071), (6, 3304714), (7, 2832612), (12, 1652357), (14, 1416306), (21, 944204), (28, 708153), (42, 472102), (84, 236051), (137, 144732), (274, 72366), (411, 48244), (548, 36183), (822, 24122), (959, 20676), (1644, 12061), (1723, 11508), (1918, 10338), (2877, 6892), (3446, 5754), (3836, 5169)]