19279216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109541}}^1$

素因数の和:109560

約数の個数: 20

約数和(自身を含む): 40749624

約数和(自身を除く): 21470408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109541, 219082, 438164, 876328, 1204951, 1752656, 2409902, 4819804, 9639608, 19279216]

約数ペア:

[(1, 19279216), (2, 9639608), (4, 4819804), (8, 2409902), (11, 1752656), (16, 1204951), (22, 876328), (44, 438164), (88, 219082), (176, 109541)]