19103216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108541}}^1$

素因数の和:108560

約数の個数: 20

約数和(自身を含む): 40377624

約数和(自身を除く): 21274408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108541, 217082, 434164, 868328, 1193951, 1736656, 2387902, 4775804, 9551608, 19103216]

約数ペア:

[(1, 19103216), (2, 9551608), (4, 4775804), (8, 2387902), (11, 1736656), (16, 1193951), (22, 868328), (44, 434164), (88, 217082), (176, 108541)]