19854274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{24391}}^1$

素因数の和:24441

約数の個数: 16

約数和(自身を含む): 33368256

約数和(自身を除く): 13513982

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 24391, 48782, 268301, 536602, 902467, 1804934, 9927137, 19854274]

約数ペア:

[(1, 19854274), (2, 9927137), (11, 1804934), (22, 902467), (37, 536602), (74, 268301), (407, 48782), (814, 24391)]