19958384

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17569}}^1$

素因数の和:17648

約数の個数: 20

約数和(自身を含む): 39216240

約数和(自身を除く): 19257856

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17569, 35138, 70276, 140552, 281104, 1247399, 2494798, 4989596, 9979192, 19958384]

約数ペア:

[(1, 19958384), (2, 9979192), (4, 4989596), (8, 2494798), (16, 1247399), (71, 281104), (142, 140552), (284, 70276), (568, 35138), (1136, 17569)]