19803806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{24329}}^1$

素因数の和:24379

約数の個数: 16

約数和(自身を含む): 33283440

約数和(自身を除く): 13479634

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 24329, 48658, 267619, 535238, 900173, 1800346, 9901903, 19803806]

約数ペア:

[(1, 19803806), (2, 9901903), (11, 1800346), (22, 900173), (37, 535238), (74, 267619), (407, 48658), (814, 24329)]