18820992

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2171

約数の個数: 64

約数和(自身を含む): 52191360

約数和(自身を除く): 33370368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2131, 2208, 2944, 4262, 4416, 6393, 8524, 8832, 12786, 17048, 25572, 34096, 49013, 51144, 68192, 98026, 102288, 136384, 147039, 196052, 204576, 272768, 294078, 392104, 409152, 588156, 784208, 818304, 1176312, 1568416, 2352624, 3136832, 4705248, 6273664, 9410496, 18820992]

約数ペア:

[(1, 18820992), (2, 9410496), (3, 6273664), (4, 4705248), (6, 3136832), (8, 2352624), (12, 1568416), (16, 1176312), (23, 818304), (24, 784208), (32, 588156), (46, 409152), (48, 392104), (64, 294078), (69, 272768), (92, 204576), (96, 196052), (128, 147039), (138, 136384), (184, 102288), (192, 98026), (276, 68192), (368, 51144), (384, 49013), (552, 34096), (736, 25572), (1104, 17048), (1472, 12786), (2131, 8832), (2208, 8524), (2944, 6393), (4262, 4416)]