12911918

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1303

約数の個数: 16

約数和(自身を含む): 19906560

約数和(自身を除く): 6994642

約数列:

[1, 2, 71, 79, 142, 158, 1151, 2302, 5609, 11218, 81721, 90929, 163442, 181858, 6455959, 12911918]

約数ペア:

[(1, 12911918), (2, 6455959), (71, 181858), (79, 163442), (142, 90929), (158, 81721), (1151, 11218), (2302, 5609)]