19491328

素因数分解:

$2^9\times {\mathrm{38069}}^1$

素因数の和:38087

約数の個数: 20

約数和(自身を含む): 38945610

約数和(自身を除く): 19454282

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38069, 76138, 152276, 304552, 609104, 1218208, 2436416, 4872832, 9745664, 19491328]

約数ペア:

[(1, 19491328), (2, 9745664), (4, 4872832), (8, 2436416), (16, 1218208), (32, 609104), (64, 304552), (128, 152276), (256, 76138), (512, 38069)]