19396384

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 48

約数和(自身を含む): 44041536

約数和(自身を除く): 24645152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 224, 262, 524, 661, 917, 1048, 1322, 1834, 2096, 2644, 3668, 4192, 4627, 5288, 7336, 9254, 10576, 14672, 18508, 21152, 29344, 37016, 74032, 86591, 148064, 173182, 346364, 606137, 692728, 1212274, 1385456, 2424548, 2770912, 4849096, 9698192, 19396384]

約数ペア:

[(1, 19396384), (2, 9698192), (4, 4849096), (7, 2770912), (8, 2424548), (14, 1385456), (16, 1212274), (28, 692728), (32, 606137), (56, 346364), (112, 173182), (131, 148064), (224, 86591), (262, 74032), (524, 37016), (661, 29344), (917, 21152), (1048, 18508), (1322, 14672), (1834, 10576), (2096, 9254), (2644, 7336), (3668, 5288), (4192, 4627)]