19877248

素因数分解:

$2^7\times {\mathrm{155291}}^1$

素因数の和:155305

約数の個数: 16

約数和(自身を含む): 39599460

約数和(自身を除く): 19722212

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 155291, 310582, 621164, 1242328, 2484656, 4969312, 9938624, 19877248]

約数ペア:

[(1, 19877248), (2, 9938624), (4, 4969312), (8, 2484656), (16, 1242328), (32, 621164), (64, 310582), (128, 155291)]