16561806

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1$

素因数の和:1264

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 18602994

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 131, 262, 393, 786, 1109, 2218, 2489, 3327, 4978, 6654, 7467, 14934, 21071, 42142, 63213, 126426, 145279, 290558, 435837, 871674, 2760301, 5520602, 8280903, 16561806]

約数ペア:

[(1, 16561806), (2, 8280903), (3, 5520602), (6, 2760301), (19, 871674), (38, 435837), (57, 290558), (114, 145279), (131, 126426), (262, 63213), (393, 42142), (786, 21071), (1109, 14934), (2218, 7467), (2489, 6654), (3327, 4978)]