18784768

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1968

約数の個数: 40

約数和(自身を含む): 39528720

約数和(自身を除く): 20743952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 1931, 2432, 3862, 4864, 7724, 9728, 15448, 30896, 36689, 61792, 73378, 123584, 146756, 247168, 293512, 494336, 587024, 988672, 1174048, 2348096, 4696192, 9392384, 18784768]

約数ペア:

[(1, 18784768), (2, 9392384), (4, 4696192), (8, 2348096), (16, 1174048), (19, 988672), (32, 587024), (38, 494336), (64, 293512), (76, 247168), (128, 146756), (152, 123584), (256, 73378), (304, 61792), (512, 36689), (608, 30896), (1216, 15448), (1931, 9728), (2432, 7724), (3862, 4864)]