19749888

素因数分解:

$2^{10}\times 3^2\times {\mathrm{2143}}^1$

素因数の和:2169

約数の個数: 66

約数和(自身を含む): 57053984

約数和(自身を除く): 37304096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2143, 2304, 3072, 4286, 4608, 6429, 8572, 9216, 12858, 17144, 19287, 25716, 34288, 38574, 51432, 68576, 77148, 102864, 137152, 154296, 205728, 274304, 308592, 411456, 548608, 617184, 822912, 1097216, 1234368, 1645824, 2194432, 2468736, 3291648, 4937472, 6583296, 9874944, 19749888]

約数ペア:

[(1, 19749888), (2, 9874944), (3, 6583296), (4, 4937472), (6, 3291648), (8, 2468736), (9, 2194432), (12, 1645824), (16, 1234368), (18, 1097216), (24, 822912), (32, 617184), (36, 548608), (48, 411456), (64, 308592), (72, 274304), (96, 205728), (128, 154296), (144, 137152), (192, 102864), (256, 77148), (288, 68576), (384, 51432), (512, 38574), (576, 34288), (768, 25716), (1024, 19287), (1152, 17144), (1536, 12858), (2143, 9216), (2304, 8572), (3072, 6429), (4286, 4608)]