19191016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 22177304

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 71, 92, 104, 113, 142, 184, 226, 284, 299, 452, 568, 598, 904, 923, 1196, 1469, 1633, 1846, 2392, 2599, 2938, 3266, 3692, 5198, 5876, 6532, 7384, 8023, 10396, 11752, 13064, 16046, 20792, 21229, 32092, 33787, 42458, 64184, 67574, 84916, 104299, 135148, 169832, 184529, 208598, 270296, 369058, 417196, 738116, 834392, 1476232, 2398877, 4797754, 9595508, 19191016]

約数ペア:

[(1, 19191016), (2, 9595508), (4, 4797754), (8, 2398877), (13, 1476232), (23, 834392), (26, 738116), (46, 417196), (52, 369058), (71, 270296), (92, 208598), (104, 184529), (113, 169832), (142, 135148), (184, 104299), (226, 84916), (284, 67574), (299, 64184), (452, 42458), (568, 33787), (598, 32092), (904, 21229), (923, 20792), (1196, 16046), (1469, 13064), (1633, 11752), (1846, 10396), (2392, 8023), (2599, 7384), (2938, 6532), (3266, 5876), (3692, 5198)]