19991426

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109843}}^1$

素因数の和:109865

約数の個数: 16

約数和(自身を含む): 36907584

約数和(自身を除く): 16916158

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 109843, 219686, 768901, 1427959, 1537802, 2855918, 9995713, 19991426]

約数ペア:

[(1, 19991426), (2, 9995713), (7, 2855918), (13, 1537802), (14, 1427959), (26, 768901), (91, 219686), (182, 109843)]