19829248

素因数分解:

$2^9\times {\mathrm{38729}}^1$

素因数の和:38747

約数の個数: 20

約数和(自身を含む): 39620790

約数和(自身を除く): 19791542

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38729, 77458, 154916, 309832, 619664, 1239328, 2478656, 4957312, 9914624, 19829248]

約数ペア:

[(1, 19829248), (2, 9914624), (4, 4957312), (8, 2478656), (16, 1239328), (32, 619664), (64, 309832), (128, 154916), (256, 77458), (512, 38729)]